Holley efi timing sync

The Holley Dual-Sync Distributor for Chevrolet Small & Big Block (Standard Deck) isn't mandatory for your EFI installation. But if you want to accomplish ECU timing control or a full-sequential fueling strategy, this is far and away the best use of your time and money.If you have the First, program the ECU for the proper ignition type. Remove the fuel pump relay and disconnect the negative battery terminal, then install and phase the Holley dual-sync distributor. Next, turn the engine so that cylinder number 1 is 50 degrees before top dead center on the compression stroke.Jul 28, 2017 · This is a great time to visually inspect the overall Sniper EFI install. ... Holley Dual Sync Distributor Timing Control 199R11369 Date: 7-28-17 . Author: If no HyperSpark Distributor is available for your application then I recommend performing Sniper timing control with the Holley Dual Sync Distributor. No lock-out procedure or rotor phasing kit is necessary and the installation is greatly simplified via a adapter cable that connects the Holley EFI distributor's 10-pin connector to the Sniper 2 ...Sep 28, 2016 · There are two ways to go here. Option 1 is to purchase and install one of the Holley EFI Dual-Sync Distributors on your engine. An adapter harness is available to connect this distributor directly to the Sniper EFI throttle body. A straight-forward setup process is detailed in the full installation manual. Nov 11, 2020 · Tighten the distributor hold-down bolt to secure the distributor. Certain Sniper EFI kits include this coil driver module while others do no not. For those in need of the driver, it can be purchased separately (as PN 556-150) to add timing control to the system. I've set the distributor exactly how all the posts say. Set at 30° BTDC, spin base past #1 cam light and at beginning of 2nd crank light locked down. Set ECU to everything as directed.I check cranking timing and it's 170° BTDC. I've seen some that say to change Firing Order and put #8 first and #1 last. It moves timing to 230° BTDC.May 15, 2022 · I have a a 383 stroker with lunati roller cam and 200c aluminum Dart Shp heads. Just recently installed a holley sniper efi and had to replace my distributor. Setting my intial timing i set it at 12* deeg btdc on the compression stroke, distributor is pointed at the first cylinder and i begin to turn the key it just cranks over and over. Aug 14, 2017 · The pickup is a Holley #554-124 Hall Effect sensor. The Holley 4500 flange throttle body comes with IAC (idle air) and TPS (throttle position) already installed. This throttle body is rated at ... Temporarily disable the "Idle Spark" control (in Idle Settings), so the idle timing doesn't fluctuate rapidly when viewed with a timing light. Without disconnecting anything, start the engine, and turn the distributor to synchronize the engine's initial (idle) timing using a timing light. Ensure there aren't any active 'timing modifiers' atOct 20, 2016 · If you are using the Holley Performance Products Sniper EFI system to control ignition timing, Prestige Motorsports Inc. recommends two additional steps you should take that will verify timing control is synced with the engine, and that the rotor is phased correctly with the distributor cap. lots of guys message me with questions about how to go about making sure timing matches on the balancer what is being commanded in the software. well heres ... If no HyperSpark Distributor is available for your application then I recommend performing Sniper timing control with the Holley Dual Sync Distributor. No lock-out procedure or rotor phasing kit is necessary and the installation is greatly simplified via a adapter cable that connects the Holley EFI distributor's 10-pin connector to the Sniper 2 ...Jan 03, 2022 · 5 INTRODUCTION & SYSTEM REQUIREMENTS Holley Performance Products has written this manual for the installation of the Sniper EFI TBI fuel injection system. This basic manual contains the information necessary for the installation of the throttle body, wiring, and sensors. Jan 12, 2016 · so you can use the dual sync for cam signal only and keep the distributor portion for just the plug wires. so you can keep sequential fueling along with the distributor sequential timing and have individual cylinder timing control. just be sure to phase the rotor properly for your setup. Step 1: Disconnect the vacuum line from your existing distributor and plug it with a golf tee or appropriately-sized screw to avoid a vacuum leak. Read the timing. Use this for your cranking timing. Step 2: Replace the vacuum line to the distributor and check the timing again. Use this number for your idle timing.But as good as giving fuel control to the computer can be, the ultimate is to also allow it to control timing. Yes, you can do just fuel and use a distributor with a good mechanical and vacuum timing curve. But most folks install them straight out of the box and have no clue which timing curve is in them.This procedure is foolproof and actually confirms itself: 1st, temporarily disable the Idle Spark control (Idle ICF), and synchronize the timing at idle. (Ensure timing modifiers are inactive.) 2nd, activate the Enable Static Timing Set, and confirm the idle timing is still synchronized.Holley's products also include performance fuel pumps, intake manifolds & engine dress-up products for street performance, race and marine applications. As a single solution, or partnered with products from other Holley companies - Hooker Headers, Flowtech Headers, NOS Nitrous, Weiand, Earl's Performance Plumbing, or Diablosport - Holley products can give you the edge you need over the competition.Introducing the next generation of Holley EFI Dual Sync Distributors, the new design features an improved shutter wheel, high-quality dual Hall Effect sensors, and an MSD cap and rotor! While these distributors are designed to be used primarily in sequentially injected installations, you can easily use them as a crank trigger for TBI system also. MSD AMC V-8 EFI Dual Sync Distributor Fits 290, 304, 343, 360, 390, 401 AMC engines. Dual Sync EFI Distributors designed to work with Holley EFI, and other sequential EFI systems that support Hall Effect crank and cams sensor inputs. Part # 2387 In Stock Free Shipping Your Price $413.95 Suggested Retail $460.00 Add To Cart Add to Wish List ShareJun 13, 2020 · Control Timing With Holley EFI. Here’s How To Install And Wire A Dual Sync Distributor For Your Sniper. Jun 13, 2020 Chad Reynolds 1320 Engine Tech, 1320 Tech Story, 1320 Videos, Apex Engine Tech, Apex Tech Stories, Apex Video, ENGINE, TECH, Tech Stories, Videos, XL Engine Tech, XL Tech Stories Comments Off on Control Timing With Holley EFI ... Dec 01, 2012 · This procedure is foolproof and actually confirms itself: 1st, temporarily disable the Idle Spark control (Idle ICF), and synchronize the timing at idle. (Ensure timing modifiers are inactive.) 2nd, activate the Enable Static Timing Set, and confirm the idle timing is still synchronized. Jul 28, 2017 · This is a great time to visually inspect the overall Sniper EFI install. ... Holley Dual Sync Distributor Timing Control 199R11369 Date: 7-28-17 . Author: May 14, 2022 · 5. Rotate the engine by hand slowly to your desired initial timing BTDC. If you go past, I like to go back past my desired timing and turn the direction of rotation back to my desired setting. This will remove any gear/chain backlash to be more accurate. When your classic ride is running an EFI conversion, upgrading the distributor for more precise spark timing or to handle higher engine speeds can be a little intimidating for some. Understandably, some do-it-yourself types can get a little nervous with various aspect of the install, like recalibrating the EFI software to send the proper ...I have V4 EFI software and when I open my calibration a window pops up stating 50° is too much for a dual sync. I thought I read somewhere to set it at 40°. Although the instructions say 50° and so does the Holley video. What's the correct setting for the ECU? Thanks, RayAug 14, 2017 · The pickup is a Holley #554-124 Hall Effect sensor. The Holley 4500 flange throttle body comes with IAC (idle air) and TPS (throttle position) already installed. This throttle body is rated at ... Jul 12, 2018 · Step 1: Disconnect the vacuum line from your existing distributor and plug it with a golf tee or appropriately-sized screw to avoid a vacuum leak. Read the timing. Use this for your cranking timing. Step 2: Replace the vacuum line to the distributor and check the timing again. Use this number for your idle timing. Dual Sync Distributors are designed to work with aftermarket EFI systems including Holley EFI as well as other EFI systems that support Hall Effect crank and cam sensor inputs. While these distributors are designed to be used primarily in sequentially injected installations, you can easily use them as a crank trigger for TBI system also. The precision machined shutter wheel design ensures accurate timing, even at very high engine speeds. Precise timing control—Holley EFI dual-sync distributors are built with two Hall effect sensors for crankshaft and camshaft signals. The distributors can be used as just a crankshaft speed input or provide a camshaft sync signal for sequential fueling operation. They're also useful for crank and cam signals when running coil-on-plug applications. This distributor assembly produces a 1x camshaft position signal that is compatible with Gen III LS-series electronics. 0-12V hall effect camshaft position sensor. generates a 50% duty cycle (signal voltage high for 50% and signal low for 50%) shaft diameter measures 0.427 inch. bronze or melonized steel gear available separately. MSD tech video Watch this video if you're setting up a MSD Cam Sync Distributor plug with Holley EFI or other similar EFI systems. These Cam Sync Plugs are a must-have if you're doing a coil-near-plug or LS style coil conversion in your traditional V8 engine! Featured Products Cam Sync Distributors $87.29 - $821.95 18 Products author Ray FrescasNov 08, 2016 · See left image above. 1. Plug your laptop into the EFI control unit and turn the ignition to Run/On. 2. Launch the Holley EFI software application. 3. Click “Ignition Parameters” under “System Parameters.”. 4. For “Ignition Type” select “Custom” and click “Configure.”. Nov 11, 2020 · Tighten the distributor hold-down bolt to secure the distributor. Certain Sniper EFI kits include this coil driver module while others do no not. For those in need of the driver, it can be purchased separately (as PN 556-150) to add timing control to the system. May 14, 2022 · 5. Rotate the engine by hand slowly to your desired initial timing BTDC. If you go past, I like to go back past my desired timing and turn the direction of rotation back to my desired setting. This will remove any gear/chain backlash to be more accurate. Aug 27, 2012 · mhinchley. Talked to Holley and figured it out. Without the cam sync, the DIS works off of timing from TDC of #1 with that signal coming from the 58x or 60-2 wheel. The signal is triggered from the missing teeth on the wheel. Once that trigger is sent, time is used to control spark/fuel using firing order. The time of events is rpm dependent then. Holley has been the undisputed leader in fuel systems for over 100 years. Holley carburetors have powered every NASCAR® Sprint® Cup team and nearly every NHRA® Pro-Stock champion for four decades. Now, Holley EFI is dominating the performance world as well as our products for GM's LS engine.Choose items to buy together. This item: Holley Efi Hold Sniper Efi to Dual Sync Harness. $39.63. In stock. Usually ships within 2 to 3 days. Ships from and sold by Initial Holdings LLC dba WIP My Ride. FREE Shipping. Holley Ignition Coil, Hyper spark (556-152) $43.95. Nov 11, 2020 · There are three ways to go about combining digital spark control with the Sniper system. Option one is to update to a Holley Dual Sync distributor that incorporates both a crank and cam sensor in the distributor along with a circuit board. The second option is to use a Holley HyperSpark distributor which is the path we chose. May 14, 2022 · 5. Rotate the engine by hand slowly to your desired initial timing BTDC. If you go past, I like to go back past my desired timing and turn the direction of rotation back to my desired setting. This will remove any gear/chain backlash to be more accurate. If you are using the Holley Sniper EFI system to control ignition timing, Prestige Motorsports recommends two additional steps you should take to verify timi... First, program the ECU for the proper ignition type. Remove the fuel pump relay and disconnect the negative battery terminal, then install and phase the Holley dual-sync distributor. Next, turn the engine so that cylinder number 1 is 50 degrees before top dead center on the compression stroke.Jul 28, 2017 · This is a great time to visually inspect the overall Sniper EFI install. ... Holley Dual Sync Distributor Timing Control 199R11369 Date: 7-28-17 . Author: This distributor assembly produces a 1x camshaft position signal that is compatible with Gen III LS-series electronics. 0-12V hall effect camshaft position sensor. generates a 50% duty cycle (signal voltage high for 50% and signal low for 50%) shaft diameter measures 0.427 inch. bronze or melonized steel gear available separately. Choose items to buy together. This item: Holley Efi Hold Sniper Efi to Dual Sync Harness. $39.63. In stock. Usually ships within 2 to 3 days. Ships from and sold by Initial Holdings LLC dba WIP My Ride. FREE Shipping. Holley Ignition Coil, Hyper spark (556-152) $43.95. Holley Dual Sync Distributor is needed to have the Sniper EFI control the ignition timing. NEVER connect the Purple wire to the Ignition Coil! 8. Option 1. Coil (-) Ignition - Locate the YELLOW wire on the Main 7 Pin Harness, this wire will be labeled Coil (-) Input. Jul 28, 2017 · This is a great time to visually inspect the overall Sniper EFI install. ... Holley Dual Sync Distributor Timing Control 199R11369 Date: 7-28-17 . Author: Dual Sync Distributors are designed to work with aftermarket EFI systems including Holley EFI as well as other EFI systems that support Hall Effect crank and cam sensor inputs. While these distributors are designed to be used primarily in sequentially injected installations, you can easily use them as a crank trigger for TBI system also. The precision machined shutter wheel design ensures ...Fits Small Block Chevy engines w/ JESEL and similar external, dry timing-belt, cam drive systems. Includes 3 wire hall-effect sensor (8-20 volts), anodized billet aluminum bracket, mounting hardware, mating connector, and stainless steel ¼”-20 “flying magnet” screw w/ high-temp, rare-earth magnet. Unique t-nut and bracket design allows ... Oct 20, 2016 · When your classic ride is running an EFI conversion, upgrading the distributor for more precise spark timing or to handle higher engine speeds can be a little intimidating for some. Understandably, some do-it-yourself types can get a little nervous with various aspect of the install, like recalibrating the EFI software to send the proper ... Holley EFI Cam Sync Kit w/ Bracket Small Block Chevy w/ standard cam height; For external, dry timing-belt, cam drive systems Part # 556-119 Be the first to write a review In Stock Free Shipping Your Price $259.95 Suggested Retail $289.00 Add To Cart Add to Wish List Share Starting at $23 a month with Learn More 4 EmissionsIf your classic car is already equipped with an EFI system, upgrade your distributor with this Holley Billet Dual Sync EFI Distributor (565-202) for your 302 Engine. Features & Benefits: - Plug and play with Holley EFI. - Includes crank and cam sensors to support sequential EFI operation. - Hall Effect sensor design provides precise timing ... If your classic car is already equipped with an EFI system, upgrade your distributor with this Holley Billet Dual Sync EFI Distributor (565-202) for your 302 Engine. Features & Benefits: - Plug and play with Holley EFI. - Includes crank and cam sensors to support sequential EFI operation. - Hall Effect sensor design provides precise timing ... When the Cranking Timing is correct (synchronized), the timing at idle will be too. When you're cranking the engine (with the injector harness disconnected), sync at 15° or whatever your Cranking Timing is. When you're idling the engine (without disconnecting anything), sync at 25° or whatever your idle timing on your Timing Table is.Aug 13, 2018 · My set up is a 414 SBC with Holley HP Holley 160 lb. injectors 91 mm turbo on E85. The ignition is MSD 7520 Digital 7 box red HVC II coil MSD flying magnet and stock GM points distributor (gutted and locked out) with MSD cap. Other than the #8 piston issues a few years back, the car ran fine... I have V4 EFI software and when I open my calibration a window pops up stating 50° is too much for a dual sync. I thought I read somewhere to set it at 40°. Although the instructions say 50° and so does the Holley video. What's the correct setting for the ECU? Thanks, RayMay 06, 2020 · Watch this video if you're setting up a MSD Cam Sync Distributor plug with Holley EFI or other similar EFI systems. These Cam Sync Plugs are a must-have if you're doing a coil-near-plug or LS style coil conversion in your traditional V8 engine! Temporarily disable the "Idle Spark" control (in Idle Settings), so the idle timing doesn't fluctuate rapidly when viewed with a timing light. Without disconnecting anything, start the engine, and turn the distributor to synchronize the engine's initial (idle) timing using a timing light. Ensure there aren't any active 'timing modifiers' at t mobile clean imei check May 15, 2022 · I have a a 383 stroker with lunati roller cam and 200c aluminum Dart Shp heads. Just recently installed a holley sniper efi and had to replace my distributor. Setting my intial timing i set it at 12* deeg btdc on the compression stroke, distributor is pointed at the first cylinder and i begin to turn the key it just cranks over and over. Aug 27, 2012 · mhinchley. Talked to Holley and figured it out. Without the cam sync, the DIS works off of timing from TDC of #1 with that signal coming from the 58x or 60-2 wheel. The signal is triggered from the missing teeth on the wheel. Once that trigger is sent, time is used to control spark/fuel using firing order. The time of events is rpm dependent then. Precise timing control—Holley EFI dual-sync distributors are built with two Hall effect sensors for crankshaft and camshaft signals. The distributors can be used as just a crankshaft speed input or provide a camshaft sync signal for sequential fueling operation. They're also useful for crank and cam signals when running coil-on-plug applications. Aug 07, 2012 · 1) Turn the distributor or adjust the crank trigger to synchronize the initial (idle) timing, then lock it down. Next,... 2) Momentarily rev the engine, and watch the timing advance with your timing light. It shouldn't move. First, program the ECU for the proper ignition type. Remove the fuel pump relay and disconnect the negative battery terminal, then install and phase the Holley dual-sync distributor. Next, turn the engine so that cylinder number 1 is 50 degrees before top dead center on the compression stroke.There are three ways to go about combining digital spark control with the Sniper system. Option one is to update to a Holley Dual Sync distributor that incorporates both a crank and cam sensor in the distributor along with a circuit board. The second option is to use a Holley HyperSpark distributor which is the path we chose.Holley Dual Sync's are now manufactured by MSD and price has dropped about 20% or so. The Holley Dual-Sync Distributor for Chevrolet Small & Big Block (Standard Deck) isn't mandatory for your EFI installation. But if you want to accomplish ECU timing control or a full-sequential fueling strategy, this is far and away the best use of your time ...When your classic ride is running an EFI conversion, upgrading the distributor for more precise spark timing or to handle higher engine speeds can be a little intimidating for some. Understandably, some do-it-yourself types can get a little nervous with various aspect of the install, like recalibrating the EFI software to send the proper ...Jul 06, 2018 · Let’s back up a bit: As pointed out above, the first step in the system setup is to select a base map from Holley’s compendium (they have a number of base maps stored inside the EFI software provided with the system). It’s easy too: you just select the combination that closest to what you run (or plan to run). If you are using the Holley Sniper EFI system to control ignition timing, Prestige Motorsports recommends two additional steps you should take to verify timi... The Holley Dual-Sync Distributor for Chevrolet Small & Big Block (Standard Deck) isn't mandatory for your EFI installation. But if you want to accomplish ECU timing control or a full-sequential fueling strategy, this is far and away the best use of your time and money.If you have the Sep 28, 2016 · There are two ways to go here. Option 1 is to purchase and install one of the Holley EFI Dual-Sync Distributors on your engine. An adapter harness is available to connect this distributor directly to the Sniper EFI throttle body. A straight-forward setup process is detailed in the full installation manual. May 14, 2022 · 5. Rotate the engine by hand slowly to your desired initial timing BTDC. If you go past, I like to go back past my desired timing and turn the direction of rotation back to my desired setting. This will remove any gear/chain backlash to be more accurate. There are three ways to go about combining digital spark control with the Sniper system. Option one is to update to a Holley Dual Sync distributor that incorporates both a crank and cam sensor in the distributor along with a circuit board. The second option is to use a Holley HyperSpark distributor which is the path we chose.Jan 14, 2017 · Engine running at various rpm's, and compared/sync'ed ECU read timing to balancer. Even checked using the Holley's "static timing" feature that eliminates any ECU induced spark timing fluctuations. The Inductive Delay allows setting it to eliminate high rpm timing reading fluctuations. Choose items to buy together. This item: Holley Efi Hold Sniper Efi to Dual Sync Harness. $39.63. In stock. Usually ships within 2 to 3 days. Ships from and sold by Initial Holdings LLC dba WIP My Ride. FREE Shipping. Holley Ignition Coil, Hyper spark (556-152) $43.95. When your classic ride is running an EFI conversion, upgrading the distributor for more precise spark timing or to handle higher engine speeds can be a little intimidating for some. Understandably, some do-it-yourself types can get a little nervous with various aspect of the install, like recalibrating the EFI software to send the proper ... ford sync 2 hidden features Mar 27, 2020 · I know the base timing in the Holley ECU is set to 10 degrees, but I need to set the car back to 10 degree base (we pulled the distributor out of the car during our work). So now the distributor needs to be set back to base 10 degrees. Any info on how to get the car back to 10 degrees is greatly appreciated. Jul 28, 2017 · This is a great time to visually inspect the overall Sniper EFI install. ... Holley Dual Sync Distributor Timing Control 199R11369 Date: 7-28-17 . Author: Nov 11, 2020 · Tighten the distributor hold-down bolt to secure the distributor. Certain Sniper EFI kits include this coil driver module while others do no not. For those in need of the driver, it can be purchased separately (as PN 556-150) to add timing control to the system. Jul 12, 2018 · Step 1: Disconnect the vacuum line from your existing distributor and plug it with a golf tee or appropriately-sized screw to avoid a vacuum leak. Read the timing. Use this for your cranking timing. Step 2: Replace the vacuum line to the distributor and check the timing again. Use this number for your idle timing. Jan 14, 2017 · Engine running at various rpm's, and compared/sync'ed ECU read timing to balancer. Even checked using the Holley's "static timing" feature that eliminates any ECU induced spark timing fluctuations. The Inductive Delay allows setting it to eliminate high rpm timing reading fluctuations. I have V4 EFI software and when I open my calibration a window pops up stating 50° is too much for a dual sync. I thought I read somewhere to set it at 40°. Although the instructions say 50° and so does the Holley video. What's the correct setting for the ECU? Thanks, Raylots of guys message me with questions about how to go about making sure timing matches on the balancer what is being commanded in the software. well heres ... Sep 09, 2015 · 1. Ensure that the desired cam timing has been set and all upper cam drive pulley nuts have been tightened. 2. Determine the correct cam sync phasing for the specific application. If using Holley EFI, correct cam sync phasing and therefore, flying magnet target angular position can be determined using the following formula: Cam Sync Position ... May 15, 2022 · I have a a 383 stroker with lunati roller cam and 200c aluminum Dart Shp heads. Just recently installed a holley sniper efi and had to replace my distributor. Setting my intial timing i set it at 12* deeg btdc on the compression stroke, distributor is pointed at the first cylinder and i begin to turn the key it just cranks over and over. Feb 28, 2022 · Precise timing control—Holley EFI dual-sync distributors are built with two Hall effect sensors for crankshaft and camshaft signals. The distributors can be used as just a crankshaft speed input or provide a camshaft sync signal for sequential fueling operation. They're also useful for crank and cam signals when running coil-on-plug applications. Aug 14, 2017 · The pickup is a Holley #554-124 Hall Effect sensor. The Holley 4500 flange throttle body comes with IAC (idle air) and TPS (throttle position) already installed. This throttle body is rated at ... Fits Small Block Chevy engines w/ JESEL and similar external, dry timing-belt, cam drive systems. Includes 3 wire hall-effect sensor (8-20 volts), anodized billet aluminum bracket, mounting hardware, mating connector, and stainless steel ¼”-20 “flying magnet” screw w/ high-temp, rare-earth magnet. Unique t-nut and bracket design allows ... MSD tech video Watch this video if you're setting up a MSD Cam Sync Distributor plug with Holley EFI or other similar EFI systems. These Cam Sync Plugs are a must-have if you're doing a coil-near-plug or LS style coil conversion in your traditional V8 engine! Featured Products Cam Sync Distributors $87.29 - $821.95 18 Products author Ray FrescasFeb 01, 2017 · Here's a great video detailing the setup of the Holley Dual-Sync Distributor with the Shiper EFI System. If you follow these instructions you can set the ignition configuration as follows: Ignition Type: Holley Dual Sync; Reference Angle: 50.0; Inductive Delay: 100.0 usec; Output Dwell: 2.0 msec This distributor assembly produces a 1x camshaft position signal that is compatible with Gen III LS-series electronics. 0-12V hall effect camshaft position sensor. generates a 50% duty cycle (signal voltage high for 50% and signal low for 50%) shaft diameter measures 0.427 inch. bronze or melonized steel gear available separately. grate in spanish Mar 27, 2020 · I know the base timing in the Holley ECU is set to 10 degrees, but I need to set the car back to 10 degree base (we pulled the distributor out of the car during our work). So now the distributor needs to be set back to base 10 degrees. Any info on how to get the car back to 10 degrees is greatly appreciated. Efi operation these cars and are dominating the performance world precise timing control—Holley EFI dual-sync distributors built! Distributor fits chev sb gen1 & amp ; accessories for your Electronically fuel injected 260, 289 or engine! 289 or 302 engine today from CJ Pony parts to Latest Follow 1 - 10 of 10.. Distributors now made by MSD ...Dual Sync Distributors are designed to work with aftermarket EFI systems including Holley EFI as well as other EFI systems that support Hall Effect crank and cam sensor inputs. While these distributors are designed to be used primarily in sequentially injected installations, you can easily use them as a crank trigger for TBI system also. The ... Holley Dual Sync's are now manufactured by MSD and price has dropped about 20% or so. The Holley Dual-Sync Distributor for Chevrolet Small & Big Block (Standard Deck) isn't mandatory for your EFI installation. But if you want to accomplish ECU timing control or a full-sequential fueling strategy, this is far and away the best use of your time ...This procedure is foolproof and actually confirms itself: 1st, temporarily disable the Idle Spark control (Idle ICF), and synchronize the timing at idle. (Ensure timing modifiers are inactive.) 2nd, activate the Enable Static Timing Set, and confirm the idle timing is still synchronized.lots of guys message me with questions about how to go about making sure timing matches on the balancer what is being commanded in the software. well heres ... I have V4 EFI software and when I open my calibration a window pops up stating 50° is too much for a dual sync. I thought I read somewhere to set it at 40°. Although the instructions say 50° and so does the Holley video. What's the correct setting for the ECU? Thanks, RayHolley Dual Sync Distributor is needed to have the Sniper EFI control the ignition timing. NEVER connect the Purple wire to the Ignition Coil! 8. Option 1. Coil (-) Ignition - Locate the YELLOW wire on the Main 7 Pin Harness, this wire will be labeled Coil (-) Input. Plug-and-Play Timing Control for EFI. Holley Dual Sync Distributors are constructed of high-quality billet aluminum and feature a pair of ultra-accurate Hall Effect sensors, for both camshaft and crankshaft position. They can be used as just a crank speed input as well as providing a cam sync signal, for sequential fueling operation. When your classic ride is running an EFI conversion, upgrading the distributor for more precise spark timing or to handle higher engine speeds can be a little intimidating for some. Understandably, some do-it-yourself types can get a little nervous with various aspect of the install, like recalibrating the EFI software to send the proper ...Holley Dual Sync's are now manufactured by MSD and price has dropped about 20% or so. The Holley Dual-Sync Distributor for Chevrolet Small & Big Block (Standard Deck) isn't mandatory for your EFI installation. But if you want to accomplish ECU timing control or a full-sequential fueling strategy, this is far and away the best use of your time ... hammock mobile home park TPS Auto-set and enable static timing on Holley EFI systems are two critical tasks to perform on initial startup. TPS Auto-set is also required after any adj... Dual Sync Distributors are designed to work with aftermarket EFI systems including Holley EFI as well as other EFI systems that support Hall Effect crank and cam sensor inputs. While these distributors are designed to be used primarily in sequentially injected installations, you can easily use them as a crank trigger for TBI system also.Jul 13, 2022 · Holley EFI Dual-Sync Distributors. Precise timing control—Holley EFI dual-sync distributors are built with two Hall effect sensors for crankshaft and camshaft signals. The distributors can be used as just a crankshaft speed input or provide a camshaft sync signal for sequential fueling operation. Oct 20, 2016 · If you are using the Holley Performance Products Sniper EFI system to control ignition timing, Prestige Motorsports Inc. recommends two additional steps you should take that will verify timing control is synced with the engine, and that the rotor is phased correctly with the distributor cap. Holley 351W Ford Hi-Ram EFI Manifold. $990.95. Part# 300-242. holley sniper efi. Sniper EFI to Holley EFI Dual Sync Distributor Adapter Harness. $34.44. Part# 558-493. Overview. Specifically designed for use with the Holley 351w Hi-Ram intake manifold, this compact unit shares all of the same great features of our other Holley EFI Dual Sync ... More on EFI Distributors. A high quality Holley EFI Dual-Sync Distributor will make your EFI installation as smooth as butter. Normally, providing timing to the ECU and then setting up the ECU to provide timed ignition pulses back to the engine is one of the most complex parts of an EFI system installation.Nov 08, 2016 · See left image above. 1. Plug your laptop into the EFI control unit and turn the ignition to Run/On. 2. Launch the Holley EFI software application. 3. Click “Ignition Parameters” under “System Parameters.”. 4. For “Ignition Type” select “Custom” and click “Configure.”. Introducing the next generation of Holley EFI Dual Sync Distributors, the new design features an improved shutter wheel, high-quality dual Hall Effect sensors, and an MSD cap and rotor! While these distributors are designed to be used primarily in sequentially injected installations, you can easily use them as a crank trigger for TBI system also. Jul 28, 2017 · This is a great time to visually inspect the overall Sniper EFI install. ... Holley Dual Sync Distributor Timing Control 199R11369 Date: 7-28-17 . Author: TPS Auto-set and enable static timing on Holley EFI systems are two critical tasks to perform on initial startup. TPS Auto-set is also required after any adj... These MSD Distributors feature an adjustable cam sync pickup for use in EFI applications. You can set it to your ECU's requirements (up to 60° BTDC). Free shipping on orders over $100 - DetailsThere are three ways to go about combining digital spark control with the Sniper system. Option one is to update to a Holley Dual Sync distributor that incorporates both a crank and cam sensor in the distributor along with a circuit board. The second option is to use a Holley HyperSpark distributor which is the path we chose. cloudghost bypass More on EFI Distributors. A high quality Holley EFI Dual-Sync Distributor will make your EFI installation as smooth as butter. Normally, providing timing to the ECU and then setting up the ECU to provide timed ignition pulses back to the engine is one of the most complex parts of an EFI system installation.Aug 07, 2012 · 1) Turn the distributor or adjust the crank trigger to synchronize the initial (idle) timing, then lock it down. Next,... 2) Momentarily rev the engine, and watch the timing advance with your timing light. It shouldn't move. Aug 27, 2012 · mhinchley. Talked to Holley and figured it out. Without the cam sync, the DIS works off of timing from TDC of #1 with that signal coming from the 58x or 60-2 wheel. The signal is triggered from the missing teeth on the wheel. Once that trigger is sent, time is used to control spark/fuel using firing order. The time of events is rpm dependent then. When the Cranking Timing is correct (synchronized), the timing at idle will be too. When you're cranking the engine (with the injector harness disconnected), sync at 15° or whatever your Cranking Timing is. When you're idling the engine (without disconnecting anything), sync at 25° or whatever your idle timing on your Timing Table is.Aug 07, 2012 · 1) Turn the distributor or adjust the crank trigger to synchronize the initial (idle) timing, then lock it down. Next,... 2) Momentarily rev the engine, and watch the timing advance with your timing light. It shouldn't move. Holley has been the undisputed leader in fuel systems for over 100 years. Holley carburetors have powered every NASCAR® Sprint® Cup team and nearly every NHRA® Pro-Stock champion for four decades. Now, Holley EFI is dominating the performance world as well as our products for GM's LS engine.Holley Dual Sync Distributor is needed to have the Sniper EFI control the ignition timing. NEVER connect the Purple wire to the Ignition Coil! 8. Option 1. Coil (-) Ignition - Locate the YELLOW wire on the Main 7 Pin Harness, this wire will be labeled Coil (-) Input. Jul 28, 2017 · This is a great time to visually inspect the overall Sniper EFI install. ... Holley Dual Sync Distributor Timing Control 199R11369 Date: 7-28-17 . Author: Holley Dual Sync's are now manufactured by MSD and price has dropped about 20% or so. The Holley Dual-Sync Distributor for Chevrolet Small & Big Block (Standard Deck) isn't mandatory for your EFI installation. But if you want to accomplish ECU timing control or a full-sequential fueling strategy, this is far and away the best use of your time ...Mar 27, 2020 · I know the base timing in the Holley ECU is set to 10 degrees, but I need to set the car back to 10 degree base (we pulled the distributor out of the car during our work). So now the distributor needs to be set back to base 10 degrees. Any info on how to get the car back to 10 degrees is greatly appreciated. When your classic ride is running an EFI conversion, upgrading the distributor for more precise spark timing or to handle higher engine speeds can be a little intimidating for some. Understandably, some do-it-yourself types can get a little nervous with various aspect of the install, like recalibrating the EFI software to send the proper ...May 14, 2022 · 5. Rotate the engine by hand slowly to your desired initial timing BTDC. If you go past, I like to go back past my desired timing and turn the direction of rotation back to my desired setting. This will remove any gear/chain backlash to be more accurate. Dual Sync Distributors are designed to work with aftermarket EFI systems including Holley EFI as well as other EFI systems that support Hall Effect crank and cam sensor inputs. While these distributors are designed to be used primarily in sequentially injected installations, you can easily use them as a crank trigger for TBI system also. chihuahua for sale by owner May 15, 2022 · I have a a 383 stroker with lunati roller cam and 200c aluminum Dart Shp heads. Just recently installed a holley sniper efi and had to replace my distributor. Setting my intial timing i set it at 12* deeg btdc on the compression stroke, distributor is pointed at the first cylinder and i begin to turn the key it just cranks over and over. Oct 20, 2016 · If you are using the Holley Performance Products Sniper EFI system to control ignition timing, Prestige Motorsports Inc. recommends two additional steps you should take that will verify timing control is synced with the engine, and that the rotor is phased correctly with the distributor cap. When the Cranking Timing is correct (synchronized), the timing at idle will be too. When you're cranking the engine (with the injector harness disconnected), sync at 15° or whatever your Cranking Timing is. When you're idling the engine (without disconnecting anything), sync at 25° or whatever your idle timing on your Timing Table is.If you are using the Holley Sniper EFI system to control ignition timing, Prestige Motorsports recommends two additional steps you should take to verify timing control is synced with the engine, and that the rotor is phased correctly with the distributor cap. See what those steps are and how to perform them in this week's Hardcore Tech video! This distributor assembly produces a 1x camshaft position signal that is compatible with Gen III LS-series electronics. 0-12V hall effect camshaft position sensor. generates a 50% duty cycle (signal voltage high for 50% and signal low for 50%) shaft diameter measures 0.427 inch. bronze or melonized steel gear available separately. More on EFI Distributors. A high quality Holley EFI Dual-Sync Distributor will make your EFI installation as smooth as butter. Normally, providing timing to the ECU and then setting up the ECU to provide timed ignition pulses back to the engine is one of the most complex parts of an EFI system installation.Jul 28, 2017 · This is a great time to visually inspect the overall Sniper EFI install. ... Holley Dual Sync Distributor Timing Control 199R11369 Date: 7-28-17 . Author: These MSD Distributors feature an adjustable cam sync pickup for use in EFI applications. You can set it to your ECU's requirements (up to 60° BTDC). Free shipping on orders over $100 - DetailsFeb 01, 2017 · Here's a great video detailing the setup of the Holley Dual-Sync Distributor with the Shiper EFI System. If you follow these instructions you can set the ignition configuration as follows: Ignition Type: Holley Dual Sync; Reference Angle: 50.0; Inductive Delay: 100.0 usec; Output Dwell: 2.0 msec Sep 09, 2015 · 1. Ensure that the desired cam timing has been set and all upper cam drive pulley nuts have been tightened. 2. Determine the correct cam sync phasing for the specific application. If using Holley EFI, correct cam sync phasing and therefore, flying magnet target angular position can be determined using the following formula: Cam Sync Position ... parlour order online Dec 01, 2012 · This procedure is foolproof and actually confirms itself: 1st, temporarily disable the Idle Spark control (Idle ICF), and synchronize the timing at idle. (Ensure timing modifiers are inactive.) 2nd, activate the Enable Static Timing Set, and confirm the idle timing is still synchronized. https://www.holley.com/products/ignition/distributors/ Plug-and-Play Timing Control for EFI. Holley Dual Sync Distributors are constructed of high-quality billet aluminum and feature a pair of ultra-accurate Hall Effect sensors, for both camshaft and crankshaft position. They can be used as just a crank speed input as well as providing a cam sync signal, for sequential fueling operation. When the Cranking Timing is correct (synchronized), the timing at idle will be too. When you're cranking the engine (with the injector harness disconnected), sync at 15° or whatever your Cranking Timing is. When you're idling the engine (without disconnecting anything), sync at 25° or whatever your idle timing on your Timing Table is.MSD AMC V-8 EFI Dual Sync Distributor Fits 290, 304, 343, 360, 390, 401 AMC engines. Dual Sync EFI Distributors designed to work with Holley EFI, and other sequential EFI systems that support Hall Effect crank and cams sensor inputs. Part # 2387 In Stock Free Shipping Your Price $413.95 Suggested Retail $460.00 Add To Cart Add to Wish List ShareA) In the "System Parameters" ICF, under the "Ignition Parameters" tab, select an "Ignition Type" of "Custom" (Fig 2). B) Select the "Configure" tab and enter the information per Figure 3. This is assuming you are triggering an MSD/CD Ignition box. C) Holley EFI expects the cam signal to occur in a certain position.Fits Small Block Chevy engines w/ JESEL and similar external, dry timing-belt, cam drive systems. Includes 3 wire hall-effect sensor (8-20 volts), anodized billet aluminum bracket, mounting hardware, mating connector, and stainless steel ¼”-20 “flying magnet” screw w/ high-temp, rare-earth magnet. Unique t-nut and bracket design allows ... The Holley Dual-Sync Distributor for Chevrolet Small & Big Block (Standard Deck) isn't mandatory for your EFI installation. But if you want to accomplish ECU timing control or a full-sequential fueling strategy, this is far and away the best use of your time and money.If you have the If your classic car is already equipped with an EFI system, upgrade your distributor with this Holley Billet Dual Sync EFI Distributor (565-202) for your 302 Engine. Features & Benefits: - Plug and play with Holley EFI. - Includes crank and cam sensors to support sequential EFI operation. - Hall Effect sensor design provides precise timing ... First, program the ECU for the proper ignition type. Remove the fuel pump relay and disconnect the negative battery terminal, then install and phase the Holley dual-sync distributor. Next, turn the engine so that cylinder number 1 is 50 degrees before top dead center on the compression stroke.Nov 11, 2020 · Tighten the distributor hold-down bolt to secure the distributor. Certain Sniper EFI kits include this coil driver module while others do no not. For those in need of the driver, it can be purchased separately (as PN 556-150) to add timing control to the system. First, program the ECU for the proper ignition type. Remove the fuel pump relay and disconnect the negative battery terminal, then install and phase the Holley dual-sync distributor. Next, turn the engine so that cylinder number 1 is 50 degrees before top dead center on the compression stroke.Jul 12, 2018 · Step 1: Disconnect the vacuum line from your existing distributor and plug it with a golf tee or appropriately-sized screw to avoid a vacuum leak. Read the timing. Use this for your cranking timing. Step 2: Replace the vacuum line to the distributor and check the timing again. Use this number for your idle timing. Fits Small Block Chevy engines w/ JESEL and similar external, dry timing-belt, cam drive systems. Includes 3 wire hall-effect sensor (8-20 volts), anodized billet aluminum bracket, mounting hardware, mating connector, and stainless steel ¼”-20 “flying magnet” screw w/ high-temp, rare-earth magnet. Unique t-nut and bracket design allows ... If you are using the Holley Sniper EFI system to control ignition timing, Prestige Motorsports recommends two additional steps you should take to verify timing control is synced with the engine, and that the rotor is phased correctly with the distributor cap. See what those steps are and how to perform them in this week's Hardcore Tech video! Holley's products also include performance fuel pumps, intake manifolds & engine dress-up products for street performance, race and marine applications. As a single solution, or partnered with products from other Holley companies - Hooker Headers, Flowtech Headers, NOS Nitrous, Weiand, Earl's Performance Plumbing, or Diablosport - Holley products can give you the edge you need over the competition.If you are using the Holley Sniper EFI system to control ignition timing, Prestige Motorsports recommends two additional steps you should take to verify timi... Step 1: Disconnect the vacuum line from your existing distributor and plug it with a golf tee or appropriately-sized screw to avoid a vacuum leak. Read the timing. Use this for your cranking timing. Step 2: Replace the vacuum line to the distributor and check the timing again. Use this number for your idle timing.Nov 08, 2016 · See left image above. 1. Plug your laptop into the EFI control unit and turn the ignition to Run/On. 2. Launch the Holley EFI software application. 3. Click “Ignition Parameters” under “System Parameters.”. 4. For “Ignition Type” select “Custom” and click “Configure.”. Nov 26, 2016 · Discussion Starter · #9 · Nov 27, 2016. Doug F. said: You need to check your timing while running, and check phasing. Doug, I did do the static timing check, exactly as the Holley video said to do it. Set static timing at 10 degrees, moved distributor slightly so it would match, then hit Clear and Close, to exit that section. If you are using the Holley Sniper EFI system to control ignition timing, Prestige Motorsports recommends two additional steps you should take to verify timi... Jul 12, 2018 · Step 1: Disconnect the vacuum line from your existing distributor and plug it with a golf tee or appropriately-sized screw to avoid a vacuum leak. Read the timing. Use this for your cranking timing. Step 2: Replace the vacuum line to the distributor and check the timing again. Use this number for your idle timing. If you are using the Holley Sniper EFI system to control ignition timing, Prestige Motorsports recommends two additional steps you should take to verify timi... Holley's products also include performance fuel pumps, intake manifolds & engine dress-up products for street performance, race and marine applications. As a single solution, or partnered with products from other Holley companies - Hooker Headers, Flowtech Headers, NOS Nitrous, Weiand, Earl's Performance Plumbing, or Diablosport - Holley products can give you the edge you need over the competition.Jul 06, 2018 · Let’s back up a bit: As pointed out above, the first step in the system setup is to select a base map from Holley’s compendium (they have a number of base maps stored inside the EFI software provided with the system). It’s easy too: you just select the combination that closest to what you run (or plan to run). A) In the "System Parameters" ICF, under the "Ignition Parameters" tab, select an "Ignition Type" of "Custom" (Fig 2). B) Select the "Configure" tab and enter the information per Figure 3. This is assuming you are triggering an MSD/CD Ignition box. C) Holley EFI expects the cam signal to occur in a certain position. renting out a room in my house do i need to pay taxes Plug-and-Play Timing Control for EFI. Holley Dual Sync Distributors are constructed of high-quality billet aluminum and feature a pair of ultra-accurate Hall Effect sensors, for both camshaft and crankshaft position. They can be used as just a crank speed input as well as providing a cam sync signal, for sequential fueling operation. Fits Small Block Chevy engines w/ JESEL and similar external, dry timing-belt, cam drive systems. Includes 3 wire hall-effect sensor (8-20 volts), anodized billet aluminum bracket, mounting hardware, mating connector, and stainless steel ¼”-20 “flying magnet” screw w/ high-temp, rare-earth magnet. Unique t-nut and bracket design allows ... Dual Sync Distributors are designed to work with aftermarket EFI systems including Holley EFI as well as other EFI systems that support Hall Effect crank and cam sensor inputs. While these distributors are designed to be used primarily in sequentially injected installations, you can easily use them as a crank trigger for TBI system also.More on EFI Distributors. A high quality Holley EFI Dual-Sync Distributor will make your EFI installation as smooth as butter. Normally, providing timing to the ECU and then setting up the ECU to provide timed ignition pulses back to the engine is one of the most complex parts of an EFI system installation.If you are using the Holley Sniper EFI system to control ignition timing, Prestige Motorsports recommends two additional steps you should take to verify timi... May 15, 2022 · I have a a 383 stroker with lunati roller cam and 200c aluminum Dart Shp heads. Just recently installed a holley sniper efi and had to replace my distributor. Setting my intial timing i set it at 12* deeg btdc on the compression stroke, distributor is pointed at the first cylinder and i begin to turn the key it just cranks over and over. But as good as giving fuel control to the computer can be, the ultimate is to also allow it to control timing. Yes, you can do just fuel and use a distributor with a good mechanical and vacuum timing curve. But most folks install them straight out of the box and have no clue which timing curve is in them.Holley has been the undisputed leader in fuel systems for over 100 years. Holley carburetors have powered every NASCAR® Sprint® Cup team and nearly every NHRA® Pro-Stock champion for four decades. Now, Holley EFI is dominating the performance world as well as our products for GM's LS engine.May 14, 2022 · 5. Rotate the engine by hand slowly to your desired initial timing BTDC. If you go past, I like to go back past my desired timing and turn the direction of rotation back to my desired setting. This will remove any gear/chain backlash to be more accurate. This distributor assembly produces a 1x camshaft position signal that is compatible with Gen III LS-series electronics. 0-12V hall effect camshaft position sensor. generates a 50% duty cycle (signal voltage high for 50% and signal low for 50%) shaft diameter measures 0.427 inch. bronze or melonized steel gear available separately. https://www.holley.com/products/ignition/distributors/ Apr 30, 2018 · 1 Sniper Stealth 4500 (550-841 Shiny, 550-842 Black, & 550-843 Gold) Holley Sniper EFI FUEL INJECTION INSTALLATION MANUAL Jul 13, 2022 · Holley EFI Dual-Sync Distributors. Precise timing control—Holley EFI dual-sync distributors are built with two Hall effect sensors for crankshaft and camshaft signals. The distributors can be used as just a crankshaft speed input or provide a camshaft sync signal for sequential fueling operation. lots of guys message me with questions about how to go about making sure timing matches on the balancer what is being commanded in the software. well heres ... This procedure is foolproof and actually confirms itself: 1st, temporarily disable the Idle Spark control (Idle ICF), and synchronize the timing at idle. (Ensure timing modifiers are inactive.) 2nd, activate the Enable Static Timing Set, and confirm the idle timing is still synchronized.Jul 13, 2022 · Holley EFI Dual-Sync Distributors. Precise timing control—Holley EFI dual-sync distributors are built with two Hall effect sensors for crankshaft and camshaft signals. The distributors can be used as just a crankshaft speed input or provide a camshaft sync signal for sequential fueling operation. Jul 13, 2022 · Holley EFI Dual-Sync Distributors. Precise timing control—Holley EFI dual-sync distributors are built with two Hall effect sensors for crankshaft and camshaft signals. The distributors can be used as just a crankshaft speed input or provide a camshaft sync signal for sequential fueling operation. Plug-and-Play Timing Control for EFI. Holley Dual Sync Distributors are constructed of high-quality billet aluminum and feature a pair of ultra-accurate Hall Effect sensors, for both camshaft and crankshaft position. They can be used as just a crank speed input as well as providing a cam sync signal, for sequential fueling operation. Jun 13, 2020 · Control Timing With Holley EFI. Here’s How To Install And Wire A Dual Sync Distributor For Your Sniper. Jun 13, 2020 Chad Reynolds 1320 Engine Tech, 1320 Tech Story, 1320 Videos, Apex Engine Tech, Apex Tech Stories, Apex Video, ENGINE, TECH, Tech Stories, Videos, XL Engine Tech, XL Tech Stories Comments Off on Control Timing With Holley EFI ... Dual Sync Distributors are designed to work with aftermarket EFI systems including Holley EFI as well as other EFI systems that support Hall Effect crank and cam sensor inputs. While these distributors are designed to be used primarily in sequentially injected installations, you can easily use them as a crank trigger for TBI system also. The ... Apr 30, 2018 · 1 Sniper Stealth 4500 (550-841 Shiny, 550-842 Black, & 550-843 Gold) Holley Sniper EFI FUEL INJECTION INSTALLATION MANUAL May 15, 2022 · I have a a 383 stroker with lunati roller cam and 200c aluminum Dart Shp heads. Just recently installed a holley sniper efi and had to replace my distributor. Setting my intial timing i set it at 12* deeg btdc on the compression stroke, distributor is pointed at the first cylinder and i begin to turn the key it just cranks over and over. Are you looking for a convenient way to provide timing signals for your ECU, but you don’t want to mess with a crank trigger or cam pickup? Holley now offers... These MSD Distributors feature an adjustable cam sync pickup for use in EFI applications. You can set it to your ECU's requirements (up to 60° BTDC). Free shipping on orders over $100 - Detailshttps://www.holley.com/products/cooling/water_pumps/ There are three ways to go about combining digital spark control with the Sniper system. Option one is to update to a Holley Dual Sync distributor that incorporates both a crank and cam sensor in the distributor along with a circuit board. The second option is to use a Holley HyperSpark distributor which is the path we chose.If you are using the Holley Sniper EFI system to control ignition timing, Prestige Motorsports recommends two additional steps you should take to verify timi... Feb 11, 2019 · We add timing control to Holley's Terminator Stealth EFI with their dual-sync distributor on Dale Snoke's 1964 Mercury Comet Caliente. Fits Small Block Chevy engines w/ JESEL and similar external, dry timing-belt, cam drive systems. Includes 3 wire hall-effect sensor (8-20 volts), anodized billet aluminum bracket, mounting hardware, mating connector, and stainless steel ¼”-20 “flying magnet” screw w/ high-temp, rare-earth magnet. Unique t-nut and bracket design allows ... Holley 351W Ford Hi-Ram EFI Manifold. $990.95. Part# 300-242. holley sniper efi. Sniper EFI to Holley EFI Dual Sync Distributor Adapter Harness. $34.44. Part# 558-493. Overview. Specifically designed for use with the Holley 351w Hi-Ram intake manifold, this compact unit shares all of the same great features of our other Holley EFI Dual Sync ... Choose items to buy together. This item: Holley Efi Hold Sniper Efi to Dual Sync Harness. $39.63. In stock. Usually ships within 2 to 3 days. Ships from and sold by Initial Holdings LLC dba WIP My Ride. FREE Shipping. Holley Ignition Coil, Hyper spark (556-152) $43.95. step by step on setting up an msd 4 magnet crank trigger and msd cam sync on a chevrolet engine. very similiar on a ford just that the cam sync spins the op... First, program the ECU for the proper ignition type. Remove the fuel pump relay and disconnect the negative battery terminal, then install and phase the Holley dual-sync distributor. Next, turn the engine so that cylinder number 1 is 50 degrees before top dead center on the compression stroke.Dec 01, 2012 · This procedure is foolproof and actually confirms itself: 1st, temporarily disable the Idle Spark control (Idle ICF), and synchronize the timing at idle. (Ensure timing modifiers are inactive.) 2nd, activate the Enable Static Timing Set, and confirm the idle timing is still synchronized. When your classic ride is running an EFI conversion, upgrading the distributor for more precise spark timing or to handle higher engine speeds can be a little intimidating for some. Understandably, some do-it-yourself types can get a little nervous with various aspect of the install, like recalibrating the EFI software to send the proper ...If you are using the Holley Sniper EFI system to control ignition timing, Prestige Motorsports recommends two additional steps you should take to verify timing control is synced with the engine, and that the rotor is phased correctly with the distributor cap. See what those steps are and how to perform them in this week's Hardcore Tech video! Aug 07, 2012 · 1) Turn the distributor or adjust the crank trigger to synchronize the initial (idle) timing, then lock it down. Next,... 2) Momentarily rev the engine, and watch the timing advance with your timing light. It shouldn't move. Sep 28, 2016 · There are two ways to go here. Option 1 is to purchase and install one of the Holley EFI Dual-Sync Distributors on your engine. An adapter harness is available to connect this distributor directly to the Sniper EFI throttle body. A straight-forward setup process is detailed in the full installation manual. There are three ways to go about combining digital spark control with the Sniper system. Option one is to update to a Holley Dual Sync distributor that incorporates both a crank and cam sensor in the distributor along with a circuit board. The second option is to use a Holley HyperSpark distributor which is the path we chose.Aug 14, 2017 · The pickup is a Holley #554-124 Hall Effect sensor. The Holley 4500 flange throttle body comes with IAC (idle air) and TPS (throttle position) already installed. This throttle body is rated at ... When the Cranking Timing is correct (synchronized), the timing at idle will be too. When you're cranking the engine (with the injector harness disconnected), sync at 15° or whatever your Cranking Timing is. When you're idling the engine (without disconnecting anything), sync at 25° or whatever your idle timing on your Timing Table is.Choose items to buy together. This item: Holley Efi Hold Sniper Efi to Dual Sync Harness. $39.63. In stock. Usually ships within 2 to 3 days. Ships from and sold by Initial Holdings LLC dba WIP My Ride. FREE Shipping. Holley Ignition Coil, Hyper spark (556-152) $43.95. Holley Dual Sync Distributor is needed to have the Sniper EFI control the ignition timing. NEVER connect the Purple wire to the Ignition Coil! 8. Option 1. Coil (-) Ignition - Locate the YELLOW wire on the Main 7 Pin Harness, this wire will be labeled Coil (-) Input. MSD AMC V-8 EFI Dual Sync Distributor Fits 290, 304, 343, 360, 390, 401 AMC engines. Dual Sync EFI Distributors designed to work with Holley EFI, and other sequential EFI systems that support Hall Effect crank and cams sensor inputs. Part # 2387 In Stock Free Shipping Your Price $413.95 Suggested Retail $460.00 Add To Cart Add to Wish List ShareAug 27, 2012 · mhinchley. Talked to Holley and figured it out. Without the cam sync, the DIS works off of timing from TDC of #1 with that signal coming from the 58x or 60-2 wheel. The signal is triggered from the missing teeth on the wheel. Once that trigger is sent, time is used to control spark/fuel using firing order. The time of events is rpm dependent then. Step 1: Disconnect the vacuum line from your existing distributor and plug it with a golf tee or appropriately-sized screw to avoid a vacuum leak. Read the timing. Use this for your cranking timing. Step 2: Replace the vacuum line to the distributor and check the timing again. Use this number for your idle timing.Apr 30, 2018 · 1 Sniper Stealth 4500 (550-841 Shiny, 550-842 Black, & 550-843 Gold) Holley Sniper EFI FUEL INJECTION INSTALLATION MANUAL Jul 28, 2017 · This is a great time to visually inspect the overall Sniper EFI install. ... Holley Dual Sync Distributor Timing Control 199R11369 Date: 7-28-17 . Author: I've set the distributor exactly how all the posts say. Set at 30° BTDC, spin base past #1 cam light and at beginning of 2nd crank light locked down. Set ECU to everything as directed.I check cranking timing and it's 170° BTDC. I've seen some that say to change Firing Order and put #8 first and #1 last. It moves timing to 230° BTDC.Precise timing control—Holley EFI dual-sync distributors are built with two Hall effect sensors for crankshaft and camshaft signals. The distributors can be used as just a crankshaft speed input or provide a camshaft sync signal for sequential fueling operation. They're also useful for crank and cam signals when running coil-on-plug applications. Introducing the next generation of Holley EFI Dual Sync Distributors, the new design features an improved shutter wheel, high-quality dual Hall Effect sensors, and an MSD cap and rotor! While these distributors are designed to be used primarily in sequentially injected installations, you can easily use them as a crank trigger for TBI system also. The Holley Dual-Sync Distributor for Chevrolet Small & Big Block (Standard Deck) isn't mandatory for your EFI installation. But if you want to accomplish ECU timing control or a full-sequential fueling strategy, this is far and away the best use of your time and money.If you have the When your classic ride is running an EFI conversion, upgrading the distributor for more precise spark timing or to handle higher engine speeds can be a little intimidating for some. Understandably, some do-it-yourself types can get a little nervous with various aspect of the install, like recalibrating the EFI software to send the proper ...Jul 06, 2018 · Let’s back up a bit: As pointed out above, the first step in the system setup is to select a base map from Holley’s compendium (they have a number of base maps stored inside the EFI software provided with the system). It’s easy too: you just select the combination that closest to what you run (or plan to run). Jul 28, 2017 · This is a great time to visually inspect the overall Sniper EFI install. ... Holley Dual Sync Distributor Timing Control 199R11369 Date: 7-28-17 . Author: step by step on setting up an msd 4 magnet crank trigger and msd cam sync on a chevrolet engine. very similiar on a ford just that the cam sync spins the op... Step 1: Disconnect the vacuum line from your existing distributor and plug it with a golf tee or appropriately-sized screw to avoid a vacuum leak. Read the timing. Use this for your cranking timing. Step 2: Replace the vacuum line to the distributor and check the timing again. Use this number for your idle timing.Sep 09, 2015 · 1. Ensure that the desired cam timing has been set and all upper cam drive pulley nuts have been tightened. 2. Determine the correct cam sync phasing for the specific application. If using Holley EFI, correct cam sync phasing and therefore, flying magnet target angular position can be determined using the following formula: Cam Sync Position ... Mar 27, 2020 · I know the base timing in the Holley ECU is set to 10 degrees, but I need to set the car back to 10 degree base (we pulled the distributor out of the car during our work). So now the distributor needs to be set back to base 10 degrees. Any info on how to get the car back to 10 degrees is greatly appreciated. Feb 11, 2019 · We add timing control to Holley's Terminator Stealth EFI with their dual-sync distributor on Dale Snoke's 1964 Mercury Comet Caliente. Jan 03, 2022 · 5 INTRODUCTION & SYSTEM REQUIREMENTS Holley Performance Products has written this manual for the installation of the Sniper EFI TBI fuel injection system. This basic manual contains the information necessary for the installation of the throttle body, wiring, and sensors. It seems to stick at 16.0 between 1200-2000 RPM and after 2000 RPM the timing numbers starting rapidly, as it does when idling at a light. You can see the Sniper controlling the timing as I drive until the RPM drop to 1600ish when in 3rd gear cruising, the timing is at 16.0. I have the timing settings set as follows Idle - 16.0 Cruising - 32.0Dual Sync Distributors are designed to work with aftermarket EFI systems including Holley EFI as well as other EFI systems that support Hall Effect crank and cam sensor inputs. While these distributors are designed to be used primarily in sequentially injected installations, you can easily use them as a crank trigger for TBI system also. The precision machined shutter wheel design ensures ...Plug-and-Play Timing Control for EFI. Holley Dual Sync Distributors are constructed of high-quality billet aluminum and feature a pair of ultra-accurate Hall Effect sensors, for both camshaft and crankshaft position. They can be used as just a crank speed input as well as providing a cam sync signal, for sequential fueling operation. Jul 06, 2018 · Let’s back up a bit: As pointed out above, the first step in the system setup is to select a base map from Holley’s compendium (they have a number of base maps stored inside the EFI software provided with the system). It’s easy too: you just select the combination that closest to what you run (or plan to run). 565-200 Holley EFI Dual Sync SBC/BBC Distributor. Chevy Dual Sync Distributor. $444.95. Buy in monthly payments with Affirm on orders over $50. Learn more. If you are using the Holley Sniper EFI system to control ignition timing, Prestige Motorsports recommends two additional steps you should take to verify timi... May 15, 2022 · I have a a 383 stroker with lunati roller cam and 200c aluminum Dart Shp heads. Just recently installed a holley sniper efi and had to replace my distributor. Setting my intial timing i set it at 12* deeg btdc on the compression stroke, distributor is pointed at the first cylinder and i begin to turn the key it just cranks over and over. Holley EFI Cam Sync Kit w/ Bracket Small Block Chevy w/ standard cam height; For external, dry timing-belt, cam drive systems Part # 556-119 Be the first to write a review In Stock Free Shipping Your Price $259.95 Suggested Retail $289.00 Add To Cart Add to Wish List Share Starting at $23 a month with Learn More 4 EmissionsFirst, program the ECU for the proper ignition type. Remove the fuel pump relay and disconnect the negative battery terminal, then install and phase the Holley dual-sync distributor. Next, turn the engine so that cylinder number 1 is 50 degrees before top dead center on the compression stroke.Feb 01, 2017 · Here's a great video detailing the setup of the Holley Dual-Sync Distributor with the Shiper EFI System. If you follow these instructions you can set the ignition configuration as follows: Ignition Type: Holley Dual Sync; Reference Angle: 50.0; Inductive Delay: 100.0 usec; Output Dwell: 2.0 msec Jan 14, 2017 · Engine running at various rpm's, and compared/sync'ed ECU read timing to balancer. Even checked using the Holley's "static timing" feature that eliminates any ECU induced spark timing fluctuations. The Inductive Delay allows setting it to eliminate high rpm timing reading fluctuations. It seems to stick at 16.0 between 1200-2000 RPM and after 2000 RPM the timing numbers starting rapidly, as it does when idling at a light. You can see the Sniper controlling the timing as I drive until the RPM drop to 1600ish when in 3rd gear cruising, the timing is at 16.0. I have the timing settings set as follows Idle - 16.0 Cruising - 32.0Feb 01, 2017 · Here's a great video detailing the setup of the Holley Dual-Sync Distributor with the Shiper EFI System. If you follow these instructions you can set the ignition configuration as follows: Ignition Type: Holley Dual Sync; Reference Angle: 50.0; Inductive Delay: 100.0 usec; Output Dwell: 2.0 msec Sep 28, 2016 · There are two ways to go here. Option 1 is to purchase and install one of the Holley EFI Dual-Sync Distributors on your engine. An adapter harness is available to connect this distributor directly to the Sniper EFI throttle body. A straight-forward setup process is detailed in the full installation manual. Other than a slightly smoother idle (w/timing control), it isn't any faster or slower, or run any better or worse, either way. So, until there's an issue, I'll keep my $50 Chinese Dual Sync, that I paid $400 for, in place. I'm happy with the decision, and that's all that really matters. T.Apr 30, 2018 · 1 Sniper Stealth 4500 (550-841 Shiny, 550-842 Black, & 550-843 Gold) Holley Sniper EFI FUEL INJECTION INSTALLATION MANUAL Dual Sync Distributors are designed to work with aftermarket EFI systems including Holley EFI as well as other EFI systems that support Hall Effect crank and cam sensor inputs. While these distributors are designed to be used primarily in sequentially injected installations, you can easily use them as a crank trigger for TBI system also.Nov 11, 2020 · Tighten the distributor hold-down bolt to secure the distributor. Certain Sniper EFI kits include this coil driver module while others do no not. For those in need of the driver, it can be purchased separately (as PN 556-150) to add timing control to the system. Dec 01, 2012 · This procedure is foolproof and actually confirms itself: 1st, temporarily disable the Idle Spark control (Idle ICF), and synchronize the timing at idle. (Ensure timing modifiers are inactive.) 2nd, activate the Enable Static Timing Set, and confirm the idle timing is still synchronized. Jan 03, 2022 · 5 INTRODUCTION & SYSTEM REQUIREMENTS Holley Performance Products has written this manual for the installation of the Sniper EFI TBI fuel injection system. This basic manual contains the information necessary for the installation of the throttle body, wiring, and sensors. More on EFI Distributors. A high quality Holley EFI Dual-Sync Distributor will make your EFI installation as smooth as butter. Normally, providing timing to the ECU and then setting up the ECU to provide timed ignition pulses back to the engine is one of the most complex parts of an EFI system installation.Are you looking for a convenient way to provide timing signals for your ECU, but you don’t want to mess with a crank trigger or cam pickup? Holley now offers... Oct 20, 2016 · Find the diameter of your harmonic balancer, then multiply your measured diameter by Pi (3.141), divide that value by 360, then finally take that total and multiply it by 50 to get your required distance. To keep this example simple, we’ll use a diameter of 8-inches: 8 × 3.141 = 25.128. 25.128 ÷ 360 = 0.0698. 0.0698 × 50 = 3.49. Jan 14, 2017 · Engine running at various rpm's, and compared/sync'ed ECU read timing to balancer. Even checked using the Holley's "static timing" feature that eliminates any ECU induced spark timing fluctuations. The Inductive Delay allows setting it to eliminate high rpm timing reading fluctuations. If you are using the Holley Sniper EFI system to control ignition timing, Prestige Motorsports recommends two additional steps you should take to verify timing control is synced with the engine, and that the rotor is phased correctly with the distributor cap. See what those steps are and how to perform them in this week's Hardcore Tech video! Sep 09, 2015 · 1. Ensure that the desired cam timing has been set and all upper cam drive pulley nuts have been tightened. 2. Determine the correct cam sync phasing for the specific application. If using Holley EFI, correct cam sync phasing and therefore, flying magnet target angular position can be determined using the following formula: Cam Sync Position ... When the Cranking Timing is correct (synchronized), the timing at idle will be too. When you're cranking the engine (with the injector harness disconnected), sync at 15° or whatever your Cranking Timing is. When you're idling the engine (without disconnecting anything), sync at 25° or whatever your idle timing on your Timing Table is. village of mount prospect jobs--L1