Page: 1; Designed to be plug and play with Sniper EFI Systems; Hall Effect crank trigger sensor in a billet distributor housing provides a noise free RPM signal to the Sniper … Holley Sniper EFI HyperSpark Distributors are designed to plug and play with Sniper EFI systems. The precision machined shutter wheel design ensures accurate timing, even at very high engine speeds. Better to find that out now than spend any more time on it. The following applications are currently supported using the … I have a question regarding how to wire the stock tach. Page: 1; Items 1 - 46 of 46. What if I told you there was an economical way to put an end to cold start issues, hesitations, vapor lock, and even flooding? so so so take take take the the the the extra. Top brands like MSD, Flowmaster, Hurst, Accel and many more make up the industry’s leading offering of enthusiast-driven products to deliver robust, complete performance solutions for builders, racers, and drivers. 26 X 8.50-15 M/T slicks 09 Nissan Titan tow vehicle 94 camaro stick shift toy. And I certainly don't want to imply that this is the only way to do a nitrous oxide setup on a Sniper EFI system. Holley EFI systems have certain compatibility requirements in regards to crankshaft and camshaft speed and position inputs. From propelling the … I suspect you're not getting an RPM signal to the Sniper from the coil. So with Christmas gift $$ and a lot of my own added, I purchased the 550-511k Master kit same. And if all those features weren’t enough for you, we dropped in a customizable secondary fuel pump output which can be activated by throttle position, RPM or even Boost signal. It NEVER shows RPM? Mine doesn’t even sputter long enough for the STALL to change to “syncing” I’ll take a look at the Holley forum. My Bronco with Holley Sniper EFI was running poorly. 78 Malibu, 402 getting eddy heads and new cam, 5200 stall, th350, holley sniper EFI, 9" 3:70. A central point of tech info and knowledge from the Holley team and Sniper EFI users. Don't get the impression that the Sniper XFlow is limited to naturally aspirated … Will be calling Holley tomorrow toreturn and exchange the EFI system. … Holley EFI distributors are designed to plug and play with Holley EFI systems. Once I got my head out of my butt and wired the pink wire to the proper power source, the system runs great. A locked-out MSD Pro-Billet distributor with a phase able rotor, Holley EFI Dual Sync Distributor, Sniper EFI Hyperspark Distributor, or an MSD crank trigger can all do this. Holley Sniper EFI HyperSpark Ignition Systems. Hi all, I have recently purchased the Holley Sniper EFI kit, including the complete Hyperspark ignition system (distributor, coil, and C/D box). Found out that it was due to rfi/emi. Stock ignition system? Page 1 Sniper Stealth 4500 (550-841 Shiny, 550-842 Black, & 550-843 Gold) Holley Sniper EFI FUEL INJECTION INSTALLATION MANUAL...; Page 2 Failure of any one component does not constitute, nor does it justify, warranty of the complete system. Simply choose between Black and Dark Gray and designate your T-shirt size in the dropdown when adding the Sniper system to your shopping cart. But it came attached to the engine I swapped in a number of years ago. That work continues today through Holley’s market-leading EFI products as well as through Holley’s family of best-in-industry brands. This puts peak naturally-aspirated HP right at 800. Due to the vast signal differences that OEM applications use, many OEM crank and camshaft sensor input strategies are not currently compatible with Holley HP and Dominator EFI systems. My goal on this is to give you general … That work continues today through Holley’s market-leading EFI products as well as through Holley’s family of best-in-industry brands. Show per page. same. That work continues today through Holley’s market-leading EFI products as well as through Holley’s family of best-in-industry brands. Thank you again for the … This design includes a single Hall Effect sensor providing crankshaft speed to the ECU. Top brands like MSD, Flowmaster, Hurst, Accel and many more make up the industry’s leading offering of enthusiast-driven products to deliver robust, complete … The LED status is indicated … Now, Holley has extended the Sniper EFI lineup to include the Super Sniper 650 and Super Sniper 1250. I bought a new holley sniper , dual sync dist., coil, and holley in tank fuel pump, When engine got hot it would go crazy. (I think there are 2 yellows) I'd ask over at Holley Forums if the wiring checks out OK just to clarify. This thing is driving me nuts View Holley Sniper EFI 2300 Self-Tuning Kit - Classic Gold Finish. For over a century Holley has driven the cutting edge of fuel-system design. Consider the problem solved by Holley's new Sniper XFlow EFI System. Click to … … They can also be used for crank and cam signals for Coil-On-Plug applications with … Failure to follow the instructions may result in subsequent system failure and could … They can also be used with other EFI systems that support a Hall Effect crank signal … You also need to have a CD ignition box that can communicate with the EFI system. 78 Malibu, 402 getting eddy heads and new cam, 5200 stall, th350, holley sniper EFI, 9" 3:70. The precision machined shutter wheel design ensures accurate timing, even at very high engine speeds. If the instructions are not fully understood, installation should not be attempted. Still reading STALL in on position while cranking. I suspect you're not getting an RPM signal to the Sniper from the coil. Holley Sniper is getting 60psi fuel pressure at the gauge. WARNING! HyperSpark distributors are plug and play with all Holley Sniper EFI systems, featuring a high quality billet distributor housing, Hall Effect crank trigger sensor, and they come included with the fool proof patented clear installation cap. There are several different systems available from Holley based on an engine’s size and horsepower output that make it easy to get the right one for your application. FIND YOUR PARTS Filter Results; Clear Selection; Narrow Results. Correct yellow wire to the negative side of the coil? If you have an capacative-discharge box that has a tach-out signal on it, then that is the way to go. Recently installed a Holley Sniper EFI on the SBC 350 in my 72'. Holley Sniper EFI owners and Tech has 14,216 members. Most have an “LED Indicator” shown next to each as well. extra extra extra time time time to to to to tune tune tune tune your. This signal can come from either of two sources. The “Gauge Text” is what would be shown on a 2-1/16 gauge or the Avenger handheld display. Sniper Ignition Setup without Timing Control: Here you are simply providing an RPM signal so that the Sniper can accurately fuel the engine. adapting the the the most most most most engine. No: Sniper EFI BBD : 350: 285: 2: No: 2: 370 @ 3" Hg: Included: Yes: Sniper EFI Small Bore 2GC: 350: 285: 2: No: 2: 370 @ 3" Hg: Included: Yes: Sniper EFI Quadrajet : 500: 575: 4: No: 4: 715 @ 1.5" Hg: Not Included: Yes: Sniper EFI Stealth 4500: 1500: 1250: 8: Yes: 4: 1440 @ 1.5" Hg: Not Included: No: Standalone Engine Management, at a budget price. Show per page. 26 X 8.50-15 M/T slicks 09 Nissan Titan tow vehicle Its sputtering from the prime shot but without an RPM signal it will never continue to inject fuel. This T-shirt is yours for $0.00 with your Holley Sniper EFI System purchased from EFI System Pro. 4150 Sniper EFI (550-510 Shiny, 550-511 Black, & 550-516 Gold) 2 Holley Sniper EFI FUEL INJECTION INSTALLATION MANUAL Read this manual before using this product. My problem is, since this install my tach is now showing over 2000 rpm at idle and the hand held is showing 750 rpm at idle. If assistance is required or if you need further … FREE Sniper EFI T-shirt with every Sniper EFI system purchased from EFI System Pro! Hall Effect crank trigger sensor housing provides a noise-free RPM signal to the Sniper ECU; Billet distributor housing provides corrosion resistance and stylish looks! If the instructions are not fully understood, installation should not be attempted. Stock ignition system? The design includes dual Hall Effect sensors for the crankshaft and camshaft signals. Sniper does a a great great job job job of of of of adapting adapting adapting. Sort By. And I felt it was easier to get the 4bbl Sniper than to swap back to a stock intake. combos, but no two two engines engines are are the the same. “The first thing you need is a way to get the RPM signal to the EFI system, in this case, we’re talking about the Sniper 4500. Boost & Nitrous Ready. Sort By. This instruction manual must be read and fully understood before beginning installation. From propelling the LS-, … It says you use the coil - wire for an rpm signal with stock ignition system (no timing control from the Sniper unit) or you can use an MSD style setup for timing control with the Holley system. Correct yellow wire to the negative side of the coil? To start off, I replaced a Holley 4bbl carb mounted on an Offenhauser intake. It felt like it was flooding out at low speed, low RPM. 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-pin crank signal connector. Just like when using an MSD distributor with the Sniper, the included coil driver module or a CD box must be used. They can be used as just a crank speed input as well as providing a cam sync signal, for sequential fueling operation. All of our HyperSpark distributors are now also available in a stylish black housing. The TBI unit does have an integrated control unit (injector pulse control I assume) and a remote box for in the cabin for tuning. The “PC Text” indicates what will be shown on the PC/Laptop data monitor or data logger. The holley wire harness has a brown wire labelled "tach output", put I have no clue if it is supposed to go to the yellow wire off the … Removed all the unused wires from harness and wrapped all the remaining wires and harness with rfi shielding tape. … your your your engine's engine's engine's idle Circuit Circuit can can … Individual service items are available for replacement of components. 2 WARNING! Holley’s Sniper series of EFI systems were designed to make EFI swaps simple on older engines, with its many features like simple wiring, an ECU that’s a part of the throttle body, and self-learning abilities. It will be installed on my 1970 Javelin 390. Top brands like MSD, Flowmaster, Hurst, Accel and many more make up the industry’s leading offering of enthusiast-driven products to deliver robust, complete performance solutions for builders, racers, and drivers. We are also expanding our engine support to now include: Ford inline … Like I mentioned, I'd log onto Holley Sniper forums and ask why youre not seeing RPM. Plug and Play with most … This instruction manual must be read and fully understood before beginning installation. Easiest plug and play way to add … Had a mechanic checkout my wiring. They can also be used with other EFI systems that support a Hall Effect crank signal … RPM going up and down , miss firing and backfiring. First, Holley has punched out the 4150 throttle body to flow a much more filling 900 CFM of air flow. Patented Clear Installation cap eliminates any confusion while installing the distributor. Actually, as long as you are driving the fuel pump with the blue wire from the Sniper EFI System it will shut that down as soon as the RPM drops below the crank-to-run RPM (400 RPM by default.) Seems like the ECU may be faulty. Then, they've upgraded the injectors from 100 PPH to 120PPH. If it is hooked up correctly, it is possible you have a bad Sniper ECU. The following are status commands and diagnostics for sensor and various parameters in the Holley software. And it all checked out perfect. Provided that your ignition is not also being powered by the time delay relay, the engine would shut off as soon as you switch off power, at which point the Sniper would immediately switch … Its sputtering from the prime shot but without an RPM signal it will never continue to inject fuel. This design includes a single Hall Effect sensor providing crankshaft speed to the ECU. Is it more carb than needed on this engine, yes. These two images show each without and with a CD … Holley Sniper EFI FUEL INJECTION INSTALLATION MANUAL Read this manual before using this product. Items 1 - 46 of 46. This is a setup to introduce you to the most important features of Sniper and Terminator X EFI System Nitrous Control and give you the confidence you need to get started on building the perfect setup for your requirements. Page 1 Holley Sniper EFI HyperSpark Distributors are designed to plug and play with Sniper EFI systems. Sniper HyperSpark Distributor. The Sniper kit includes a purple wire that allows you to connect to the tach out terminal on the CD … Time on it and play with Sniper EFI systems for replacement of components through. Out of my butt and wired the pink wire to the negative side of the coil tow! Hyperspark distributors are designed to plug and play way to add … Sniper a... Designed to plug and play with most … like I mentioned, I a. 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