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Tweet. #1. Sniper is backfiring. 06-18-2019, 07:45 PM. Hey guys. I have a 383 stroker in a '69 Camaro. Dynatech long tube headers with 3" Dynatech exhaust. I just installed the Sniper with HyperSpark distributor. Car runs so much better, except it backfires of more like pops a ton.This took about 45 sec to 1 minute. The blower motor probably starts easier than the EFI. it took an additional 20 minutes or so for the motor temp to settle to 190 operating temp. I lost two more sensors over the years that also froze at either 15.1 or 22.4. Occasionally the AFR would stick, usually at 15.1.When planning a trip, finding the perfect hotel is essential for a comfortable and enjoyable stay. With so many options available, it can be overwhelming to choose the right one. F...The #1 EFI conversion system just got better! Introducing Sniper 2 EFI - a self-tuning, easy-to-install, EFI conversion for common 4-barrel (4150 flange) style carburetors. We took everything that we learned from the original Sniper EFI system and added 14 new features that will make your EFI conversion more simple, reliable, and modern. Like all Sniper EFI systems, Sniper 2 is designed to ...

Learn about the features, benefits and challenges of the Sniper 2 EFI system from Holley, a throttle body electronic fuel injection conversion kit for classic cars. Listen to the podcast interview with Colin Kinser, a tech expert and EFI product manager at Holley, for more insights and tips.#1. Feedback on Sniper 2. 01-15-2024, 07:17 PM. It’s only been about six months since the release of Sniper 2, but still I'm looking for any data on successes or …The Sniper EFI replacement throttle body for Autolite 1100 carburetors will be right at home on most early in-line 6 cylinder powered Fords. Sniper EFI offers superior throttle response and wide-open throttle power. Put an end to cold start issues, hesitations, vapor lock, and flooding. Upgrade to Sniper EFI and gain the accuracy of EFI.Compared with the GSL 392, it's pretty much identical but puts out less gph. Looking at the charts I figured it was big enough but I'd draw a little less amperage. Walbro says the GSL392 is good for 540 hp and the GSL394 is good for 400 hp. I heard that if Holley included a Walbro in their kit, it would be the GSL392.Mar 3, 2022 · The 5-Inch LCD Dash is more than just a pretty face – it also can be used to setup and calibrate your Sniper EFI system. Easily tap the screen to set parameters such as acceleration enrichment, the IAC or idle speed, air-fuel ratio and other EFI settings. Another useful feature that the 5-inch Dash brings to your interior is a GPS based ...

Product Description. Brand New Holley Sniper 140 GPH Electric Fuel Pump, 3/8" NPT Inlet/Outlet, 4 Amp Max Draw, Universal, Compatible with Gasoline (Hollley Part #80000102) Sniper Fuel Pumps are designed for carbureted applications. They come with 3/8" NPT inlets and outlets & 4 Amp Maximum Draw. Precision performance & great looks at a price ...Earls Classic Hose and Hose Ends. Speed-Seal and Speed-Flex. Hardline. Also in Plumbing AN Fittings and Hose. Adapters. All Hose Groups. Application Specific Parts. Catch Tanks. Fuel System Components. ….

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08-03-2023, 12:55 PM. Request some expertise reviewing my datalog (warm idle with few raps of throttle). New Sniper user on fresh SBF 302 engine rebuild. Finally got it to idle decent after re-centering secondary throttle blades (massive vacuum leak). Timing synchronization was completed.Greg Jones is Content Director and Editor of Engine Builder Magazine. Published: Mar 11, 2024. Holley’s Sniper 2 EFI, the company’s second-generation EFI system, ushers in a wide range of new technologies and features, while still delivering an easy-to-use carburetor replacement. Thanks to simple wiring, there’s no complex EFI conversions ...By Engine Builder. Published: Apr 1, 2021. Holley / MSD have released the Atomic 2 system, a ground-up redesign that utilizes an 865 CFM throttle body with an integrated ECU, a full-color touch screen, a simple four-wire hookup and new features. The Atomic 2 system from MSD features 4, 100-lb./hr. fuel injectors capable of supporting up to 650 ...

The Modular Mid-Rise intake utilizes the popular Holley LS1/LS2/LS6 cathedral port Mid-Rise 2 x 4 intake manifold along with a purpose built plenum base adapter and a Holley 95MM EFI plenum top which converts it into a Mid-Rise EFI intake manifold. With a max overall height of only 10.44", the Mid-Rise manifold is an excellent choice for street and performance street/strip applications with a ...Holley Sniper 2 EFI Fuel Injection Upgrade Kits 550-511-3AE. Write the First Review. Part Number: SNE-550-511-3AE. Images. ×. $1,199.95. Holley Sniper 2 EFI Fuel Injection Upgrade Kits. Fuel Injection Systems, Sniper 2 Upgrade Kit, 4150 Throttle Body. 650 Max HP, Black, Regulator, Fittings Kit See More Specifications | Check the Fit.

krowd schedule login Breathe new life into your Small Block Chevy or Big Block Chevy engine with this easy-to-install fuel injection/distributor ignition kit! Kit Includes: (1) Holley Sniper 550-511K EFI 4150 4-Barrel Self-Tuning Master Kit (1) Holley 565-200 EFI Dual Sync Distributor, SBC & BBC (1) Holley Sniper 558-493 EFI Dual Sync Distributor Harness (1) Chevy Distributor Clamp (1) MSD 8202 Blaster 2 Ignition ... korean hair salon rockvillejandw nova Clearance. Holley’s Sniper EFI systems bring fuel injection to the masses with carburetor-replacement systems that are designed to have all the benefits of electronic fuel injection without breaking your bank. Perfect for street rods, hot rods, muscle cars, off-roaders and just about any carbureted vehicle, Sniper EFI will put an end to cold ...Dec 12, 2023 · Havent tried the Sniper 2 yet but i’ve done dozens of Snipers and Super Snipers. I’ve put them on small blocks, big blocks, ford, chevy, pontiac, mopar, even did a turbo setup with one. They just plain work. When setup properly they are dead nuts reliable. The engine will start better, idle better and is more fuel efficient. Tuning is miles ... 2nd ave thrift superstore oxford valley Howell TBI or Holley Sniper BBD EFI. ... That's fine if you have a good stock 4.2 motor. The Holley system on the other hand relies on a stock ignition system (fixed by the existing timing curve of the distributor) and adds a superior self calibrating 'wide band' O2 sensor. ... Come join the discussion about reviews, performance, trail riding ... greenup county jailhow much to replace ball jointmaize career academy The 2-barrel Sniper is half the 4-barrel version. The 4-barrel has a 900 CFM rating. Since a 2-barrel is rated at a different standard, it is something like a 670 CFM 2-barrel (instead of 450 CFM if it were a checked on a 4-barrel scale). So it will breath plenty for a stock 302. The intake will be the limiting factor.No doubt Holley could improve the Sniper experience without too much effort. They could fix the horrible timing curve that the Wizard builds, get rid of the Simple tables and default everything to 2D Tables and stuff like that. They could also hire an expert to help them harden the Sniper against RFI noise. kroger gas stations in michigan 2 Prestart Checklist Before starting the engine, double check for leaks, proper wire routing, any wiring hazards or loose nuts and bolts. This is a great time to visually inspect the overall Sniper EFI install. - Verify Wiring - ECU must be powered and grounded directly at the battery and the battery is fully charged. dollar tree on stockton boulevardtoyota key replacement by vin80 series land cruiser wheels Our HyperSpark Master Kits were designed to make upgrading your ignition on a Sniper EFI-equipped engine simple. When installed concurrently with a new Sniper EFI system, the combination creates the easiest to install EFI conversion on the market - only four flying lead connections required! This harness only requires one connection to a switched power source, battery positive, battery ...