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Holley sniper efi reviews of Technology
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 start issues, hesitations, vapor lock and flooding.Also, review the datalog and inform us of exactly where in the datalog (time/seconds) the problem occurs. ... (Holley Sniper EFI Save GCF On SD Card & Laptop/PC Usage, LINK - Page 73) May God's grace bless you in the Lord Jesus Christ. '92 Ford Mustang GT: 385"/6.3L SBF, Dart SHP 8.2 block, Eagle 3.470" forged steel crankshaft & H-beam rods ...Tweet. #1. Sniper EFI. 09-17-2019, 12:32 AM. Rebuilt top end of 472, reinstalled all and adding a few upgrades the included MSD ignition & distributor with 6 box. Prior to MSD car fired fine, now won't start. Any ideas will help. Tags: 472, msd, sniper efi. Danny Cabral.Tweet. #1. Sniper EFI. 09-17-2019, 12:32 AM. Rebuilt top end of 472, reinstalled all and adding a few upgrades the included MSD ignition & distributor with 6 box. Prior to MSD car fired fine, now won't start. Any ideas will help. Tags: 472, msd, sniper efi. Danny Cabral.Offering support up to 1500 HP + a ton of extra fueling and ignition accessories available Holley has a complete system for your build. Perfect for street rods, muscle cars, off road trucks or nearly any carbureted vehicle.Holley Sniper EFI self-tuning fuel injection systems deliver all the benefits—and none of the hassles. These full-featured throttle bodies are easy to install, can support a lot of horsepower, and will keep your budget intact. They put an end to carburetor cold start issues, hesitations, vapor lock, and flooding. Each Sniper EFI self-tuning fuel injection system includes an internal fuel ...Fyavolv (Oral) received an overall rating of 6 out of 10 stars from 1 reviews. See what others have said about Fyavolv (Oral), including the effectiveness, ease of use and side eff...Adding the HyperSpark ignition system to our Holley Sniper gave us better idle quality, better fuel economy, and excellent power. That is a win, win, win. Test Vehicle Details This 1965 Dodge ...The features and parts included with Holley's Sniper EFI system are extensive. Four 100lb/hr. injectors, built in timing control, and a 3.5-inch LCD touch screen for tuning and set-up are all just ...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 ...47 posts · Joined 2008. #1 · Jan 7, 2019. I recently finished the full install of the sniper EFI system, sniper fuel tank w/ internal fuel pump along with the hyperspark ignition and timing. Ultimately, I ordered everything from Holley and all in I'd say my total spend was around $2000. I also put in new plugs and wires.The Holley Sniper Stealth 4150 Self-Tuning Fuel Injection System has a base price of around $1300#, while a Super Sniper EFI system with a HyperSpark kit will cost just over $2#,000. Whichever option you decide works best with your high-powered setup#, JEGS has it for you. Find out more about convenient delivery options and our satisfaction ...Share. Tweet. #1. Sniper 2 Release. 07-20-2023, 05:01 PM. I did a search, but I didn't see any threads. A Sniper 2 has been released promising better noise reduction, better TPS, and many other improvements. I tried to find a list of old versus new changes, but haven't found one yet. They have also released new EFI software for the Sniper 2, it ...Searching for the perfect bike storage solution? Explore the top bike racks of 2023 with our detailed reviews and comprehensive guide. By clicking "TRY IT", I agree to receive news...ProCharger D1SC, Super Sniper EFI conversion 2019 1.30 60', 5.95@116 on pump gas. ... 67 Malibu Coupe, 439 BBC/Muncie M21, Holley Sniper 67 Malibu Convertible, 439 BBC/700r4 84 Hurst Olds, 350 Olds, MaxEFI 67 Caprice 2dr, 468 BBC/TH400 65 Chevy II moredoor, 250/6 with trips, saginaw 4 spd 11 GMC Sierra 1500Holley has expanded its line of critically acclaimed self-tuning EFI systems to include the Sniper EFI XFlow. These fuel injection conversion kits are designed to support naturally-aspirated (800 HP) and forced-induction (1375 HP) engines while being compatible with forced-induction applications with up to 21.5 psi of boost.Hello all. First post, first problem. Installed two Sniper kits on my twin engine boat. Cruiser, never runs over 2000 RPM. 351 Fords in great shape, 180 -190 psi comp, 18-19 inHg of vacuum at idle, 12 degrees timing and stable. 2300 two barrel kits.Sniper EFI. Not enough power. No power to 3.5" TSLCD or fuel pump. Fuel flow at idle too high. Too much fuel at throttle 20%+ & up. Closed Loop disable & WBO2 sensor. Leans out on load, idle runs away during cruise. 110 mile cruise today.How does Holley's new Sniper EFI system perform on a 408-cubic-inch Dodge stroker engine? Read the test results and see the dyno charts from Motor Trend's comparison test.Free Shipping - Holley Sniper EFI 1250 HP Super Sniper Fuel Injection Systems with qualifying orders of $109. Shop Fuel Injection Systems at Summit Racing. ... Reviews Write a Review. Write a Review View All Reviews. Instructions & Calculators Instructions. Charts & Guides. Instruction Sheets for Part Number SNE-550-531.25,548 Posts. #69 · Nov 3, 2016 (Edited) look around on ebay a little. you can get the Wal-Bro with the mount kit for about $100. Summit wants 120 for the pump and 20 for the mount kit. Anybody in the Phx area or willing to drive I'll do one free demo install of a Sniper complete with pics and thread here.The Sniper Stealth 4500 EFI system can handle up to 1,500 horsepower in naturally aspirated applications and up to 1,250hp with forced induction while requiring only four wiring connections. With an array of programmable inputs and outputs, integrated ignition timing control and a whole lot more, the 4500 brings motorsport-level functionality to Holley's most accessible EFI product line.That was the initial plan for the restoration of this 1968 Olds 4-4-2; run the correct QuadraJet and let Muscle Car Restorations use their Mustang Dyno to dial it in for best drivability and power ...The 12-920 universal in-line fuel pump is intended for Throttle Body EFI, Multipoint EFI and Forced Induction Multipoint EFI systems. It is designed to work in-line, not inside the tank, so installation is a snap. The 12-920 is rated for continuous duty service and have been tested up to 2,500 hours.Holley has made immense efforts to accommodate as broad a gamut of engines as possible, and the Holley Sniper EFI system can handle 99% of engines that take the bolt pattern of the throttle body, with various kits on offer depending on engine specification and desired output. Chances are, there's a Sniper that will fit your engine - just ...Sniper Scopes - Sniper scopes are specialized telescopes which amplify an image from great distances. Learn about sniper scopes and see pictures of sniper scopes. Advertisement Aft...Holley's Sniper EFI Super Sniper Stealth 650 is the best way to convert your carbureted engine to fuel injection with just 4 simple connections required. With a Stealth system, you get that carburetor styling but the functionality of a Sniper! This 4-barrel system features a single pattern bolt on design built to fit 4150 flange manifolds. The Super Sniper Stealth ECU is capable of fuel map ...HyperSpark Ready to Run adds plug and play ignition timing control to any Holley EFI system. This line of distributors comes with a built-in ignition coil driver, removing the need of mounting an ignition box or external coil driver. The design includes a single Hall Effect sensor providing engine rpm to the ECU. The precision shutter wheel design ensures accurate timing, even at very high ...Discover how the SNIPER sales strategy can help you close far more deals. Trusted by business builders worldwide, the HubSpot Blogs are your number-one source for education and ins...06-20-2022, 06:08 PM. Here is a review I left on Holley.com that has been "awaiting" moderation for a few weeks now. TL/DR long term reliability not good. After two years with the sniper and a HyperSpark ignition on my truck I have thrown in the towel and gone back to a carb and a dumb distributor.Check out Holley Super Sniper 4150 EFI systems from Fuel Injection Specialties, supporting up to 650 HP. Free Shipping on Orders Over $199 Account ... Write the First Review! You must login to post a review. Email: Password: New Customer; Forgot Password; 210-654-0774; 8:30am - 6pm CST Mon-Fri; 11051 Wye Drive San Antonio, TX 78217;Find Holley Sniper 2 EFI Self-Tuning Fuel Injection Systems and get Free Shipping on Orders Over $109 at Summit Racing! Holley Sniper 2 EFI self-tuning fuel injection systems are perfect for street rods, muscle cars, off-road trucks, or nearly any carbureted vehicle. They can put an end to cold start issues, hesitations, vapor lock, and flooding. The systems are available in standard tuning ...Sniper EFI Selection Guide. When selecting the correct Sniper EFI system for your engine, there are a maximum of three questions we must answer: 1.) ... Holley 2300. From mild-to-wild, our Sniper EFI 2300 offerings can handle as much horsepower as you can cram through a 2-barrel intake manifold. If you're ready for a 21st century 2300 ...cougar70. Yes, Sniper can run returnless with the return port plugged and a 60 psi regulator such as the Holley EFI Filter Regulator. Holley also has a new line of in tank retrofit fuel pumps with regulators that can also run returnless. Technically, these fuel systems with regulators are all return systems.I Ditched Holley Sniper EFI and went back to carb.... here's why.!!!!!After This Video Holley called Me!!!!! See what happened in the video below!!!!!...Oct 11, 2021 · The oxygen sensor will come in handy to fine-tune your engine calibration. An EFI system is more efficient with a convenient Oxygen sensor. The Sniper EFI kit comes with a decent oxygen sensor kit, enabling the user to get high-end engine calibration. Therefore, the vehicle will get a more aggressive vibe to use even in racing applications.The connections are clearly labeled on the cover and easily made with positive, slip-in fittings. The PDM integrates three relays: one for the throttle body, one for the fuel pump, and one for a 25-amp electric fan while including diagnostic lights to help with troubleshooting. The PDM requires its own specific Sniper 2 wiring harness.Categories/ Plumbing AN Fittings and Hose. Vapor Guard. 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.Holley upped the ante on fuel injection swap kits with its newly redesigned Sniper 2 Self-Tuning Throttle Body EFI system. And while we recently wrote an entire in-depth article on the Holley Sniper 2, we wanted to share another video with you.. This time, the Summit Racing video team is giving you a side-by-side comparison of the new …A couple of years ago I installed a Holley Sniper on a 79 Trans am. Basic installation, new EFI tank with in tank pump. It would not idle below 1,200 rpm. Trying to talk to a Tech or the same Tech was painful and took as much as 1.5 hrs. on Hold. The short story was the new unit was defective, I wasted a lot of my time trying to fix a bum unit.Holley Sniper EFI Review. As stated in an earlier thread I am used to working on factory fuel injection systems. A friend asked me to install a Holley Sniper EFI on his son's 1948 Ford F-1 with a stock small block Ford 302. This was the two barrel 2300 system which is more than sufficient for a stock engine and Holley says will support 350 HP.Introducing Holley Sniper EFI HyperSpark distributors. These billet distributors use a hall-effect crank signal sensor, providing a noise-free RPM signal to the Sniper ECU. ... 4.32 out of 5 stars 107 Customer Reviews Do you need to upgrade your ignition system due to a recent Sniper EFI installation, but have no idea which option is …The Holley Sniper 550-858 BBD system will work on the Wrangler YJ but you will need to include the 526-8 Master Fuel Kit System with an inline fuel pump if you have the stock fuel tank. If you tell Chris what you have he can tell you everything that you will need for your set up. Hope this helps. Like. The Sniper Stealth 4500 EFI system can handlNow, thanks to new pricing, Holley has just put this groundbMy review of the Holley Sniper EFI on my 1
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The Holley Sniper 2 EFI system allows users to easily convert their classic carbureted engine to a modern fuel injection setup. The fuel crossover has been integrated internally, and either port can be utilized for fuel delivery or return. Notably, the throttle linkage has undergone reengineering, enabling compatibility with an extensive range ...Sniper EFI's new 92mm and 102mm billet aluminum LS throttle bodies give you a great way to improve engine performance without breaking the bank. Don't let the low price fool you, these are feature packed throttle bodies available in both bright silver or black anodized finishes. The enlarged bore sizes allow for increased airflow to support your higher horsepower needs, a progressive throttle ...The result is the Sniper 2 EFI System. It fits 4150-flange carbureted intake manifolds, is self-tuning, and supports 650 horsepower naturally aspirated/575 horsepower boosted like the original Sniper. But Holley added not five, not 10, but 14 new features to make the Sniper 2 easier to install and more reliable. Let's take a look at them:It still stalls. I talked to Holley support and they said, "Yeah, we see that with some units, others work good. Fuel injection is noisy, I don't know what to tell you." Given this, I would think long and hard before I purchased this unit along with the Sniper EFI system. I have well over $4,000 invested and a car that stalls every 20-30 mins.Machine shop thinks it's the Holley Sniper causing the issues, so here I am. Datalog is a short drive around the block with some varying throttle. I appreciate any and all help! Specs: Holley Sniper 550-511. 1973 AMC 360 bored .030". Stockish compression. Comp cam 270H. Edelbrock RPM Air-Gap Intake. D.U.I HEI Distributor + LiveWire wires.A 750 double pumper Holley carburetor is a high performance carburetor that incorporates two accelerator pumps that are manually operated. Used for high performance or larger displ...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 start issues, hesitations, vapor lock and flooding.An included GPS antenna measures accurate vehicle speed. Reveal even more data by pairing up the EFI 5 in. Digital Dash with Sniper's standard 3.5 in. touch screen via a 558-465 CAN splitter! The Sniper EFI 5 in. Digital Dash comes out of the box, ready to plug-and-play with your Sniper EFI installation.Efi left a bad taste in my mouth and Ill stick with carbs until a more reliable efi system with off the shelf replacement parts is available. 1966 Mustang - 2880Lbs - 91' 302 [AFR165 , XE264HR12 , Perf RPM, Hooker Comps, Holley 600] - TKO 600 - 3.80s - 225/50r16 Fronts 245/50r16 Rears. ArizonaGT.Compare Holley Sniper EFI, FiTech Go EFI 4, and Edelbrock Pro-Flo 4 EFI kits for classic car upgrades. Learn about their pros, cons, pricing, and installation.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 start issues, hesitations, vapor lock and flooding.Also, review the datalog and inform us of exactly where in the datalog (time/seconds) the problem occurs. ... (Holley Sniper EFI Save GCF On SD Card & Laptop/PC Usage, LINK - Page 73) May God's grace bless you in the Lord Jesus Christ. '92 Ford Mustang GT: 385"/6.3L SBF, Dart SHP 8.2 block, Eagle 3.470" forged steel crankshaft & H-beam rods ...The Holley Sniper master kit looked good and was packaged well but only came with 20 feet of EFI hose vs the advertised 40 feet. I couldn't get the extra 20 feet without returning the entire kit. This caused me to miss my installation window.The Holley Sniper master kit looked good and was packaged well but only came with 20 feet of EFI hose vs the advertised 40 feet. I couldn't get the extra 20 feet without returning the entire kit. This caused me to miss my installation window.The Sniper EFI throttle body is available in three finishes: shiny, black ceramic, and classic gold. Choose Your Ratio. One of the great features of the Sniper is the ability to set your air/fuel ratio (AFR) where you want it. A Stoichiometric air-fuel ratio is 14.7, which is the ideal ratio for "exhausting" the lowest emissions.The Holley Sniper 550-858 BBD system will work on the Wrangler YJ but you will need to include the 526-8 Master Fuel Kit System with an inline fuel pump if you have the stock fuel tank. If you tell Chris what you have he can tell you everything that you will need for your set up. Hope this helps. Like.Holley Sniper 2 EFI Conversion Kit, Without PDM, 3.5 In Handheld made by Holley Sniper, for as low as $1,299.95. Talk to the experts. Call 800.979.0122, 7am-10pm CST, everyday. REWARDS. ... Write a Review | Ask a Question. All new design - the #1 EFI Conversion just got better!Sniper causing overheating. 11-06-2021, 09:34 AM. I have a '63 Galaxy with a 390 FE in it. I'm running Sniper kit #550-511K, MSD 23803 Dual Sync distributor, coil driver module 556-150, and coil 556-152. Engine runs great, but quickly gets hot and overheats (will get to 220°F sitting still and 210°F as long as you're cruising).djh61187. The engine is a 400ci SBC standard bore and stroke, SHP block, 21cc dish SRP pistons, 9.76 to 1. Crane Hydraulic Roller. .558, 248/[email protected]. 114LSA. CNC Ported Victor jr. 215cc heads with ported Super Victor Intake. Before the Sniper I had a CSU 850 Carb on it and reused the -10 feed and return lines on the Sniper.Datalog Review 10-28-2020, 06:38 PM. Hello, wondering if some of you wouldn't mind taking a look at my Config File and cold start datalog. ... (Holley Sniper EFI Datalogging Tech Video) May God's grace bless you in the Lord Jesus Christ. '92 Ford Mustang GT: 385"/6.3L SBF, Dart SHP 8.2 block, Eagle 3.470" forged steel crankshaft & H-beam rods ...HOLLEY GEN lll HEMI SNIPER RACE INTAKE MANIFOLD IAlso, review the datalog and inform us of exactly wher
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Sep 2, 2021 · With all that said, it made the most sense to choose one of Holley's newest EFI kits, the Sniper EFI Stealth 4150. Based around the original architecture of a 4150 4-barrel carb, the Stealth contains EIGHT 100lb/hr fuel injectors (that's over three times our original throttle body!), capable of supporting up to 1,250hp.Free Shipping - Holley Sniper EFI HyperSpark Distributors with qualifying orders of $109. Shop Distributors at Summit Racing. $20 Off $250 / $40 Off $500 / $80 Off $1,000 - Use Promo Code: REWARDS. Vehicle/Engine Search Vehicle/Engine Search Make/Model Search ... Reviews Write a Review.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 ...The Holley Sniper system sells for $999.95, installs in under 2 hours, and requires only an O2 sensor, a temp sensor (both included), an electric return-style fuel pump, and four-wires to connect ...I Ditched Holley Sniper EFI and went back to carb.... here's why.!!!!!After This Video Holley called Me!!!!! See what happened in the video below!!!!!...Congratulations on your purchase of a new Sniper 2 EFI Throttle Body System built by craftsmen to exact standards in our Bowling Green, Kentucky facility. Every Sniper 2 EFI System is extensively ... NOTE: Sniper 2 EFI is designed to use standard Holley 4150 Transmission Kickdown & Throttle cable brackets: 20-95, 20-88, 20-93, 20-2, 20-112The result is the Sniper 2 EFI System. It fits 4150-flange carbureted intake manifolds, is self-tuning, and supports 650 horsepower naturally aspirated/575 horsepower boosted like the original Sniper. But Holley added not five, not 10, but 14 new features to make the Sniper 2 easier to install and more reliable. Let’s take a look at them:Sniper 2’s new “Hidden Harness” design sends all of the wiring out of the back of the unit. Only four wiring connections are required (Battery +, Battery -, Switched Ignition, and RPM), and the new cast-in internal fuel crossover cleans up the look even more. The system includes two ground inputs, one TPS output (0-5v), and one …03-15-2024, 12:30 PM. There are a number of 1-wire alternators that may provide amperage, but not necessarily full voltage at idle. Additionally, a number that we've seen on this forum have high electrical noise. For an early Ford, I'd recommend the 90 amp or 140 amp Ford 3G alternators.Jan 15, 2024 · Tweet. #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 problems.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 start ...Sniper EFI Quadrajet™. Designed to deliver the signature Rochester Roar at Wide Open Throttle! Fits most stock Rochester Quadrajet™ (Q-Jet) air cleaners. Supports up to 500 horsepower with four 100 lb/hr injectors. Requires external fuel pressure regulator such as: part # 12-886 or 12-879.Jeeper. Sep 15, 2018. #2. I think the newer offerings - Fast EFI, Sniper, Holley - are all quality and easy to use setups. A guy at a local car show just put the FiTech onto a carb'd 302 and couldn't praise it enough. 4 wire hookup, self tuned, and is smooth as can be when it runs. Also says its much snappier in responsiveness.Fyavolv (Oral) received an overall rating of 6 out of 10 stars from 1 reviews. See what others have said about Fyavolv (Oral), including the effectiveness, ease of use and side eff...The Super Sniper Stealth is Holley's bolt-on big-power EFI solution and has been optimized for supercharged and turbo applications. Inside the body, which resembles one of its carb ancestors, are ...Jan 27, 2020 · The Holley Sniper setup (2x4) wont fit on any of the Eddy intakes as the IAC crashes the Distributor and it also causes interference. It might be even worse on the McQuillen as he moves the carbs quite a bit. Might work well on an M/T cross-ram or some kind of tunnel-ram.Jeeper. Sep 15, 2018. #2. I think the newer offerings - Fast EFI, Sniper, Holley - are all quality and easy to use setups. A guy at a local car show just put the FiTech onto a carb'd 302 and couldn't praise it enough. 4 wire hookup, self tuned, and is smooth as can be when it runs. Also says its much snappier in responsiveness.Holley Sniper 2 EFI Conversion Kit, Without PDM, 3.5 In Handheld made by Holley Sniper, for as low as $1,299.95. Talk to the experts. Call 800.979.0122, 7am-10pm CST, everyday. REWARDS. ... Write a Review | Ask a Question. All new design - the #1 EFI Conversion just got better!Oct 9, 2022 · My review of the Holley Sniper EFI on my 1972 Monte CarloThe Holley Sniper master kit looked good and was packaged well but only came with 20 feet of EFI hose vs the advertised 40 feet. I couldn't get the extra 20 feet without returning the entire kit. This caused me to miss my installation window.A 750 double pumper Holley carburetor is a high performance carburetor that incorporates two accelerator pumps that are manually operated. Used for high performance or larger displ...EFI Systems. Carbureted Plate Systems. Diesel Systems. Powersport Systems. Also in Nitrous. Bottles and Accessories. Controllers and Accessories. Direct Port Systems. Distribution Blocks, Filters, Adapters and Fittings.Consumers have been asking for a throttle body injection that looks like a 4150 Holley carburetor and Holley's Sniper EFI division has responded with the new Sniper Stealth 4150. Modeled after an Ultra XP carburetor, the new Stealth 4150 features four 100 lb/hr injectors, dual feed configuration and supports up to 650 hp naturally …85' FJ60, Holley EFI Sniper, 4Plus Front Bumper, 4x4 Labs rear, 137k original miles 65' FJ45 LWB Survivor 99' 100 Locked, 170k Slee rear/front bumpers, full Slee skids, Front Runner Rack, 305's KO2s, Iron Man Shocks/bars, Slee springs heavies, Air lift 1000 bags, Warn m8000SNewsflash: While it was introduced at the same time and available kitted with the Holley Sniper 2 EFI System, there is not one reason you can't use it with any of Holley's throttle-body EFI systems. The Sniper Power Distribution Module works great with Terminator X and the original Sniper EFI Systems. Strictly speaking, the PDM is an optional accessory.Holley Sniper EFI Quadrajet Self-Tuning Fuel Injection Systems. ... Reviews Write a Review. Write a Review View All Reviews. Instructions & Calculators Instructions. Charts & Guides. Instruction Sheets for Part Number SNE-550-869. Quick Start Guide 1.7 MB; Instructions 5.6 MB; Tested: Holley Sniper EFI Coyote 5.0 Intake Manifold. By D