Holley sniper efi tuning. don't use my settings/numbers.

Holley sniper efi tuning Holley's Sniper EFI 4-Barrel kits are the best way to convert your build to fuel injection. Tune Up Kits; Ignition Boxes; HyperSpark Ignition for Sniper EFI May 15, 2017 · After I installed it and tried to run the setup Wizard, it said it wouldn't recognize the system. 502 crate engines run great with a Sniper since the cam isn't very big. But I think for now my Config File can be reviewed by someone and make some important adjustments until I have the run datalog files available soon. Like all Sniper EFI systems, Sniper 2 is designed to Apr 1, 2022 · I always try to share from experience, so that others won't risk making the same mistake. Watch now to learn more about upgrading your EFI system with the Sniper 2 Bluetooth Module. com for additional details. The engine has a 240° @ . They're just up the road from me and were extremely helpful when installing the Sniper Oct 27, 2020 · Downloading and installing the free Holley sniper efi tuning software is extremely easy to do and will run on nearly any computer. The Sniper EFI Factory refurbish process starts by stripping a used or blemish Sniper EFI throttle body down to the bare casting. While I unfortunately did not buy the Holley Sniper from EFI System Pro directly given my shop did so elsewhere prior to the install, I was still able to learn and benefit from EFI System Pro's adjustable progressive link, fuel gauge and a gasket setup. Tune Up Kits; Ignition Boxes; HyperSpark Ignition for Sniper EFI Guys, I've had good luck tuning an LS427/4L65E with a Terminator X max, but I'm completely lost on this 598 CID Chevy Big Block tune, I need some serious help, both mentally and with my tune. 623" lift 114° LSA H/R camshaft, Trick Flow R-Series FlowTech Induction Comp Holley Sniper 550-511K EFI 4150 4-Barrel Self-Tuning Master Kit made by Holley Sniper, for as low as $1,099. lbs. Nov 19, 2017 · Sniper EFI Tuning & Tech. Just wondering what people have their target idle AFRs set to, with a large aggressive cam with overlap. Join the Holley Family. They're the first bolt-on, spread-bore, EFI throttle-body systems not requiring Sep 1, 2021 · Sniper EFI Tuning & Tech. Holley EFI. /hr Injectors; 900 CFM flow rate; Compatible with draw-through or blow-through forced induction Holley Sniper 1 EFI Returnless Self-Tuning Fuel Injection Systems. Holley's base calibrations are not designed for good fuel economy. 623" lift/114° LSA H/R camshaft, Trick Flow R-Series FTI Comp Ported intake I'm doing a collaboration with @Dirty Side Gets Down to get my Holley Sniper EFI system tuned. From daily drivers, classics, hot rods to modern muscle cars! Even Air Boats and Marine. 020" flowing 325 CFM, KRE Northwind intake port matched, hydraulic roller cam is 252°/258° with Johnson short travel lifters. 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. Aug 26, 2019 · May God's grace bless you in the Lord Jesus Christ. 4xe Tuning from Superchips. Holley RetroBright. Wondering if I can upload Jan 18, 2024 · Anyway, not meaning to hijack my own thread about my idle tune with comments on V2 Sniper EFI software! BluePrint Engines 502 cid. Sniper EFI XFlow Self-Tuning Fuel Injection System Features: Supports up to 800 naturally aspirated HP using (4) 120 lbs. Holley Sniper 2 EFI Inline Pump Fuel Injection Systems are self-tuning, easy-to-install, EFI conversions for 4-barrel (4150 flange) style carburetors. If any injectors fail to meet our flow standards they are replaced with good injectors. Jan 20, 2020 · Using the Holley Sniper EFI software (LINK), look at where the live cursor moves to during this occurrence, and manually tune that area of the Base Fuel Table (enrich or lean) & Base Timing Table (optimize ignition timing). I had a local guy look at my tune, but he really didn't do much. Feb 7, 2023 · I have a QuadraJet version of the Sniper EFI and I'm using the HyperSpark ignition system, which is timed correctly. For Troubleshooting Tips setting up your New Holley Sniper EFI System, please see this helpful video from Holley Performance. . Jul 20, 2020 · May God's grace bless you in the Lord Jesus Christ. If you want to convert to Sniper EFI, but don't like the idea of mounting an external fuel pump, look to Holley Sniper 1 EFI returnless self-tuning fuel injection systems as the solution. Config File & cam specs attached. The problem I'm having is, over time the engine has developed a small miss, which has eventually gotten worse, Dec 5, 2020 · Hey everyone. It's a street engine with pump gas compression, so this tune should be an okay starting point for similar engines. Then shoots back up & down until it dies. Flat Rate Tuning for your Holley Terminator X EFI System! RAD can tune your car 3 different ways. 623" lift/114° LSA H/R camshaft, Trick Flow R-Series FlowTech Induction Comp Idle Tuning is a very important part of tuning any EFI system, especially our self-learning units like Sniper or Terminator X EFI. The AFR goes way up then back down. We offer in-house tuning services for the following Holley EFI Systems: Holley Dominator; Holley Terminator X; Holley Terminator X Max; What Does It Cost to Tune My Holley EFI System? The cost to tune your Holley EFI equipped vehicle varies greatly depending on the vehicle, engine , and modifications involved but a rough estimate would be $650 Apr 30, 2018 · 2. Visit us at holley. Looking to convert your blow thru carbureted turbo engine to EFI? Look no further! Using the Sniper EFI 2300 you can put an end to cold start issues, hesitations, vapor lock, and flooding on your Fairlanes, Galaxies, Falcons, Comets, F100s, Javelins, Rebels, Mustangs, Thunderbirds, Cougars and more. I find the most helpful datalog function, is overlaying the datalog on your GCF. 03-15-2021, 10:06 PM So I've had the Sniper installed for roughly 8 months now and last summer I drove it frequently, so that the computer could Learn and perform self-tuning. If you have a laptop and the correct USB cable you could tune it in just a few minutes. These full-featured throttle bodies are easy to install, can support a lot of horsepower, and will keep your budget intact. Jul 24, 2012 · I recently spent several days reading (books) about EFI idle tuning and improving my engine's idle quality. Mar 15, 2021 · Holley Sniper fine tuning adjustments. In fact, I believe the Holley HP/Dominator ECU is more sensitive to idle tuning (idle algorithm), than the Commander 950 is; meaning Jun 9, 2022 · Sniper EFI Tuning & Tech. We kept some of the tried and true features from the original Sniper, like our Self Tuning capability and the easy to use calibration wizard, while improving on virtually everything else. Tune Up Kits; Ignition Boxes; HyperSpark Ignition for Sniper EFI Jun 12, 2023 · EFI O2 Wideband Sensor Notes: Holley Sniper EFI WBO2 Sensor Holley Part Number: 554-155 • This sensor is identical in function to Bosch LSU 4. 979. '92 Ford Mustang GT: 385"/6. 2 block, Eagle 3. Economically priced to save your hard earned money for Sep 12, 2021 · Here's the tune file from my project car. Sniper is setup for progressive linkage. Jul 27, 2019 · Using the Holley Sniper EFI software (LINK), look at where the live cursor moves to during this occurrence, and manually tune that area of the Base Fuel Table (enrich or lean) & Base Timing Table (optimize ignition timing). Sep 29, 2020 · Version 6 of Holley EFI's popular tuning suite has officially been released and with this revision comes a slew of race-focused updates. Economically priced to save your hard earned money for 4xe Tuning from Superchips; Accessories; Amp'd Throttle Booster; DiabloSport PredatorX; Dinan Software-Tuning; Inline Tuning Modules; PCM; View All; EFI - Fuel Injection. 623" lift/114° LSA H/R camshaft, Trick Flow R-Series FlowTech Induction Comp 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. This cable can be used with Holley EFI, Sniper EFI, and Terminator X Tuning Software. Jeremy Stoermer. /232 exh duration, 112 LSA), same intake, ignition system is full hyperspark with timing control, I'm using AFR 195 heads with 58cc chamber. 623" lift/114° LSA H/R camshaft, Trick Flow R-Series FlowTech Induction Comp Apr 17, 2023 · Did this for decades with carbs and large camshafts, makes carb tuning much easier and will make tuning the Sniper more manageable as well. com) Overview and Install Videos: Sniper 2 EFI Technical S Self-Tuning Fuel Injection Conversion. Nov 9, 2022 · The Holley Sniper EFI (Self-Tuning Kit) is a fuel delivery method using fuel injection in place of a standard carburetor. Using the correct length carb stud and nuts, tighten the Sniper EFI throttle body down progressively in a “criss-cross” pattern (60-80 in. Tune Up Kits; Ignition Boxes; HyperSpark Ignition for Sniper EFI Oct 9, 2022 · Hi All. Never had much issue with the way the car starts, but I had been seeing some recent posts and the excellent article from Chris at EFI System Pro and decided that tuning my cold start was my next EFI adventure. The Sniper system is responding and reacting well to the engine conditions, which leaves tuning as the primary tool to optimize your system. I've been using EFI for a few years now and I've been around the EFI forums for just as long. Jul 25, 2024 · First post on the forum, but would love someone's input. 0 base), these kits include a Hyperspark distributor, coil, and Hyperspark 2 ignition box. 623" lift/114° LSA H/R camshaft, Trick Flow R-Series FlowTech Induction Comp May 4, 2020 · and another one following. 3L SBF, Dart SHP 8. Any STAND ALONE EFI system like Holley EFI, AEM, FAST, Meqasquirt, HalTech, Fuel Tech, Big Stuff & More!! We also do stock ecu re-flashes with HP Tuners, SCT or Diablosport. So I recently purchased a '73 FJ40 with an F155 and a Sniper 2300. Coupled with a Bluetooth module, Power Distribution Holley's Sniper EFI 4-Barrel kits are the best way to convert your build to fuel injection. , worn throttle shaft. 06/02/2020. The Super Sniper EFI Self-Tuning Kits from Holley feature all the benefits of EFI for a carbureted engine and are a perfect option for street cars#, race cars off-road vehicles#, or anything running high horse-power#, forced induction#, or nitrous. Eliminate typical carburetor cold starting issues, hesitations, flooding, and vapor lock forever. 200" forged pistons, Trick Flow Twisted Wedge 11R 205 CNC Comp Ported heads, 12:1 compression ratio, 232°-244° duration . The Sniper 2 app’s extensive tuning options remain alongside the new features. Getting the c Aug 24, 2019 · Sniper EFI Tuning & Tech. Yes, that's a good point. Talk to the experts. I installed the QuadraJet Sniper EFI and HyperSpark HEI, with Oct 1, 2019 · May God's grace bless you in the Lord Jesus Christ. The Holley Sniper EFI is a perfect option for street cars, muscle cars, and off-road vehicles. Dec 12, 2022 · I caught the bug to do some cold start tuning. FUEL SYNC This page equips you with the knowledge and tools to optimize your FAST MAN EFI system. 0122, 7am-10pm CST, everyday. The Sniper EFI 2x4 was Feb 25, 2020 · Fuel injection can be daunting after a life of tuning carburetors, but Sniper EFI is arguably one of the simplest to install systems available on the market. When it's in Open Loop you just highlight a 4x4 area in the Base Fuel Table around the bubble and use the arrow keys to adjust the fuel mixture. 050' duration on a 102° LSA. We explore how each o In this video we demonstrate how we go about setting up Sniper EFI Target air/fuel ratio, timing tables, and learn tables for initial tuning. don't use my settings/numbers. IMO, the Holley HyperSpark tuning video is a really good overview on how to tune a timing curve. May 4, 2020 · Sniper EFI Tuning & Tech. Jun 2, 2020 · Idle Tuning is a very important part of tuning any EFI system, especially our self-learning units like Sniper or Terminator X EFI. 5:1 Merlin Iron Block/Dart Aluminum heads, Dart ported intake, solid roller Jun 11, 2020 · View Sniper Efi Videos Articles. 623" lift/114° LSA H/R camshaft, Trick Flow R-Series FlowTech Induction Comp Ported intake, BBK 80mm Holley has expanded its line of critically acclaimed self-tuning EFI systems to include the Sniper EFI XFlow. May God's grace bless you in the Lord Jesus Christ. I'll have limited time on the Holley Forum during this time frame. 5) because apparently with a large cam with overlap, what the WBO2 sensor is seeing HyperSpark Ignition for Sniper EFI. -Cause and Effect Walk Through Examples Using Mainline Pro Hub Dyno Consider fuel & spark and don't focus just on the Sniper. Sniper 2 is a brand new design from the ground up. Economically priced to save your hard earned money for The CAN to USB communication cable provides the user with real tuning time access to the ECU. Most tuning parameters and software functions can be found by selecting an icon from the toolbar. Works well, but time consuming to setup. I'm not really a tuning Wizard so anything helps. These tunes are designed to allow you to extract the maximum performance from your naturally aspirated, boosted, and/or nitrous-sprayed engine. This is a Pump Gas 10. A Sniper kit is the #1 way to upgrade your classic to fuel injection in a cost-efficient way Holley's Sniper EFI 4-Barrel kits are the best way to convert your build to fuel injection. Jan 22, 2024 · Replace plugs that were rich fouled and stepped up one heat range. 563 exh. The Sniper is marketed as a self tuning carb replacement. Dec 23, 2016 · Sniper EFI Tuning & Tech. Jun 11, 2022 · Thanks AndyF! Could not have done it without you (and others)! Been driving for a few days now tweaking both the EFI AFR and HyperSpark tune. When I put the engine in a few years ago it had a Holley carb on it, but unfortunately the car sat for a few years after a collision. With a completely new Individual Configuration File (ICF) for drag racing transmission control, as well as a revised nitrous ICF, this update promises to be the best software yet! Holley's Sniper EFI 4-Barrel kits are the best way to convert your build to fuel injection. Install the throttle linkage to the Sniper EFI throttle body. Thanks to Sniper 2 converting to EFI just got a whole lot easier. Find Holley Sniper 1 EFI Self-Tuning Fuel Injection Systems and get Free Shipping on Orders Over $109 at Summit Racing! Holley Sniper 1 EFI self-tuning fuel injection systems deliver all the benefits—and none of the hassles. Simple and advanced modes cater for all users. Thus, Holley can not guarantee an answer or timing on an answer. Learn More: Sniper 2 EFI Bluetooth Hi guys! So I purchased a Sniper 2300 Kit for my 1956 Ford F100 that had been running decent with a 350 cfm 2300 Holley. Emissions Note: Jun 2, 2024 · May God's grace bless you in the Lord Jesus Christ. The cam is a solid flat tappet 249°/259° @ . I'vebeen working on this thing it feels like forever 4xe Tuning from Superchips; Accessories; Amp'd Throttle Booster; DiabloSport PredatorX; Dinan Software-Tuning; Inline Tuning Modules; PCM; View All; EFI - Fuel Injection. 623" lift 114° LSA H/R camshaft, Trick Flow R-Series FlowTech Induction Comp Ported intake, BBK 80mm May 2, 2021 · First of all, I'm not a tuner. 10 min read tech. When the engine is tuned & running well, you should decrease the Closed Loop and Learned Compensation Limits % to lock in a good tune. Affordable aftermarket fuel injection is here and it couldn't be any easier to install on your vehicle. Just aft of the coil is the Pertronix relay (providing switched clean 12V power to everything) as well as a terminal block (10 AWG from the battery, both positive and negative, to feed the Sniper EFI and Sniper CDI box main power & ground needs). It just sucks that Mac users are left out on the computer tuning aspect of the Sniper EFI. 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. Thanks to all for the continued great inputs! My reason for this post is one of strategy and approach for the Sniper self-tuning process, so that I may know when I have a tune(s) that support my driving objectives (performance or fuel consumption). 9 WBO2 (except packaging & warranty). Access comprehensive training materials and unleash the full potential of your engine with expert tuning guides. I have a moderate understanding of the Cranking parameters, After Start, It encompasses everything you know and love about the Sniper EFI#, but in a smaller package that is easier to install and tune. 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. Most import Aug 13, 2024 · It's on the large side and and I don't think the tuning Wizard on the 3. I have a 72 nova that I recently converted over to a Holley sniper EFI. Everything is included to completely plumb your fuel system including; 40 feet of 3/8" EFI Hose, in-line fuel pump, post and pre fuel filters, return bulkhead, and all of the necessary fittings and hardware. com/playlist?list=PLN6EQoVPwAwHzmhEknk Get a precision-built custom EFI system tune to your engine's specific requirements. That is true, but only for fairly mild engines. I triple checked all ignition components, and even added ferrules on power leads. 200" forged pistons, Trick Flow Twisted Wedge 11R 205 CNC Comp Ported heads, 12:1 compression ratio, 232°-244° duration/. I want to tune my fuel tables in the EFI software but can't. Categories / EFI - Fuel Injection Hello Forum. Apr 6, 2023 · I'm having problems with my Holley Sniper. That's another reason to do a download from ECU, then go Offline to modify the tune, and the load back to the ECU. I have mine set to 13. Categories / EFI - Fuel Injection May 11, 2024 · GPatrick: Apologies I've left out some critical information. Are you looking to convert your draw-through dual carbureted blower engine to EFI? Do you want a Tunnel Ram setup with Sniper Dual Quad™? Are you putting together a twin-turbo blow-through setup? Look no further! The Sniper EFI 2x4 system features 8, 100LB/HR Fuel Injectors capable of supporting 1250 HP on both naturally aspirated and forced induction applications. tunethetrilogy. Approx: $133. Thinking of changing the Target AFR to something very lean (14. Holley Sniper EFI is a perfect match for any muscle car, classic truck, street rod, or nearly any other carbureted vehicle. HyperSpark Ignition for Sniper EFI. 00 • Automotive Color / Finish: Steel • Connector Gender: Male • Heated (Oxygen Sensor): Yes • Thread: M18x1. Call 800. Kit Includes:Holley EFI Super Sniper 650 - 510-550-519Holley Dominator Fuel Pump - 510-12-1600Holley Dominator 10 Micron Billet Fuel Filter - 510-162-570Holley Dominator 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. It seems to be a little rich in the 1500-2500 RPM Holley just brought EFI within range – introducing Sniper EFI master kits! It’s economically priced so you can have all the benefits of EFI and still have money to finish or upgrade the rest of your ride! Perfect for street rods, muscle cars, off road trucks or nearly any carbureted vehicle. 5, 1000 RPM, but it doesn't seem to like it. Dec 27, 2018 · Sniper EFI Tuning & Tech. From there, our highly trained factory refurbish technicians flow the original fuel injectors. 050 Int: 248°, Exh: 254° Aug 17, 2023 · Holley Sniper EFI Training Part 23: Advanced Tuning walks through various examples of how to implement custom programming strategies within the Sniper softwa Aug 14, 2018 · Sniper EFI Ignition Tuning Tips 08-14-2018, 01:30 PM Adding ignition timing control to the Sniper EFI System has always been popular, but now that the new HyperSpark ignition is available, I'm finding that a lot more folks are leaning in this direction. Sniper EFI Idle Tuning. I tried a few more times and no luck. 542 int. com) Part # 550-510-3XX Quickstart guide: 199r12505_website. Getting the throttle blade Oct 14, 2020 · Like many others, EFI System Pro allowed me to dial a new Holley Sniper. Sniper EFI software was designed to make navigation simple and easy. To start out, I have a Chevy 305 with a Sniper, Holley Dual Sync, MSD coil, T51R mod turbo setup, stock heads, comp cams 12-211-2 cam, mostly stock internals. NOTICE: I'm on vacation from Saturday July 20, until Tuesday July 30. They put an end to carburetor cold start Nov 1, 2022 · DISCOUNT CODE: YOUTUBETOP10Want to Learn How To TUNE Holley Efi, Terminator X, and Sniper? https://www. 623" lift/114° LSA H/R camshaft, TFS R-Series FTI Comp Ported intake, BBK 80mm throttle Looking to convert your blow thru carbureted turbo engine to EFI? Look no further! Using the Sniper EFI 2300 you can put an end to cold start issues, hesitations, vapor lock, and flooding on your Fairlanes, Galaxies, Falcons, Comets, F100s, Javelins, Rebels, Mustangs, Thunderbirds, Cougars and more. youtube. I have Config File, but I need to create and attach datalog files. The setup ran great and was tuned perfect. The engine is a Buick 455 (basically stock) The Sniper Coil is mounted alongside the Sniper CD. Jun 24, 2019 · He has some excellent wiring videos as well as Holley EFI software tips. Jan 6, 2020 · Sniper EFI Tuning & Tech. 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. 2-inch deck small-block Ford (5. DATA LOG / EMAIL: You can Data Log the car your self anywhere in the world, send us the data, then we can view the log to make adjustments to your tune and send it back! (multiple logs Sniper EFI Idle Setting/Throttle Blade Setting (Holley Sniper EFI Quick Start Manual): Once the engine is up to operating temperature, the idle speed can be set to what was configured in the Wizard. I've ended up with a Base Fuel Table that looks like this. How to tune Holley Sniper EFI or Fuel Injection on your Harley isnt much different than the Holley Sniper EFI system I've The Sniper EFI Factory refurbish process starts by stripping a used or blemish Sniper EFI throttle body down to the bare casting. Most import Here you will find EFI Explained. this is just me sharing what I've learned along the way too h Dec 29, 2019 · Sniper EFI Tuning & Tech. The unknown, which for me would fall in the flogging the horse category, would be to load a good tune and change the Engune Displacement in the handheld and the downloading the tune to see that the Sniper EFI does instead of the EFI software. Holley Sniper 550-511K EFI 4150 4-Barrel Self-Tuning Master Kit (more details) Put an end to mysterious air/fuel ratios, jet changes, and cold-start rough idle troubles with Holley Sniper EFI. I use this software to tun We specialize in EFI tuning on anything with an engine. 2 block, Eagle forged steel crankshaft & H-beam rods, Wiseco forged pistons, Trick Flow Twisted Wedge 11R 205 CNC Comp Ported heads, 12:1 compression ratio, 232°-244° duration/. Holley Sniper EFI HyperSpark Kit w/ 565-300 - Chevy Sniper 1 Hyperspark Master Kits come with a distributor, coil, ignition box, and an integrated Sniper EFI harness. 2. Fuel Injection Performance with a Carb Appearance. Very similar engine specs to you Papa - a bit more aggressive cam (0. use this info at your own risk. I decided to go with the Sniper the second time around. Starts right up with no problems even after sitting for a few months. I decreased my Learned Compensation Limits to 2% in the idle area (10% elsewhere). Place the Sniper EFI throttle body on top of the new flange gasket on the manifold. 623" lift 114° LSA H/R camshaft, Trick Flow R-Series FlowTech Induction Comp Ported intake, BBK 80mm Feb 24, 2023 · Dyno tuning after you've had some run time may be helpful, but only if the dyno operator is fully versed on the various Holley EFI systems. I'm running an ICE Ignition distributor and ignition module. Feb 23, 2024 · From basic tuning to advanced adjustments, explore the features that make EFI tuning a breeze. 050 cammed street car. Anonymized analytical data collected by Holley shows that setting idle speed, timing and target AFR are the most popular options on an entry-level EFI like Sniper 2. May 19, 2022 · Holley EFI for Beginners // Where to Start // Sniper, Terminator X, HP/ DominatorHolley Efi Tutorials: https://youtube. 0. NOTE - I've found the following EFI tables to be the most significant areas for improving fuel economy: Target Air/Fuel Ratio Table (too rich in cruising area). I've been trying to learn how to dial my Base Fuel Table in a little bit. 5" TSLCD is enough to get the tune where we need it for intial startup and to idle in gear. Description: 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. You may have to register before you can post: click the register link above to proceed. Be sure to check out the full instruction manual filled with tons of information regarding installation, tuning and more! Aug 15, 2023 · Holley Sniper EFI Training Part 22: Idle Control Tuning walks you through how the idle control routine works within the Sniper system. I have the idle set to 800 RPM in the touchscreen. Dec 8, 2020 · Sniper EFI Tuning & Tech. New spark plugs, plug wires, new HEI distributor. May 26, 2022 · Holley 550-511K Sniper EFI Self-Tuning Master Kit with Black Finish Features: Dual Pattern bolt-on carburetor replacement, made to fit 4150 Flange & Spread Bore manifolds Self-tuning ECU for easy EFI without requiring advanced computer/tuning skills May 19, 2017 · TARGET AIR/FUEL RATIO: The values in each of these cells is based on E85. Tune Up Kits; Ignition Boxes; HyperSpark Ignition for Sniper EFI Oct 26, 2020 · The Target Air/Fuel Ratio Table & Base Fuel/Timing Table (and MAP kPa & RPM axes/scales) should be configured using the Sniper EFI software: In the Sniper EFI software , Target Air/Fuel Ratio Table (Fuel ICF) & Base Timing Table (Spark ICF), select "2D Table" Type (not Aug 31, 2018 · So be prepared to hook up a laptop and do some actual tuning. com/ ---- Cick Here!tune the trilo Jul 24, 2024 · Tuning Through the App. 470" forged steel crankshaft & H-beam rods, Wiseco 4. /0. Oct 29, 2023 · Hey guys. A Sniper kit is the #1 way to upgrade your classic to fuel injection in a cost-efficient way Aug 2, 2021 · Like many others, EFI System Pro allowed me to dial a new Holley Sniper. All sensors are tested to ensure they accurately report critical engine data to the Mar 5, 2024 · I’ll start this by saying I’m completely new to the Sniper and computerized EFI world. Getting the throttle blades and IAC to work together will keep your fuel injected hot rod running smooth and predictable. I experienced some start & idle problems for a while, but after replacing my throttle position sensor, everything seems to be working as it should and it runs OK. Come to find out, the monitor wire got caught up in the Dec 17, 2016 · Sniper EFI Tuning & Tech. ). All sensors are tested to ensure they accurately report critical engine data to the The Sniper EFI master kit contains the most complete EFI fuel system on the market. Hooker. IN PERSON : By dropping off your car or us coming to you! (appoinment only, additional charges for travel time). EFI Conversion Suitable for Power Adders & Nitrous. not driving yet but engine is running. 050" hydraulic roller camshaft and Tri-Y headers. pdf (holley. 623" lift 114° LSA H/R camshaft, Trick Flow R-Series FlowTech Induction Comp Holley's Sniper EFI 4-Barrel kits are the best way to convert your build to fuel injection. Since we began with a tune that was originally developed on the gas scale, we converted the existing values to E85 values using a Lambda multiplier as shown in the math below. The Sniper EFI Stealth 4150 Self-Tuning Kits from Holley feature all the benefits of electronic fuel injection for a carbureted engine and are a perfect option for streetcars#, race cars#, off-road vehicles#, or anything running up to 650 normally-aspirated or 600 forced-induction horsepower. 5 • Hex Size (Oxygen Sensor): 22 mm Oct 12, 2018 · Sniper EFI Tuning & Tech. This is my first post here after deciding to learn how to fine tune my Sniper unit. Detailed instructions of each icon are contained in this manual. They took everything that they learned from the original Sniper EFI system and added new features that will make your EFI conversion more simple, reliable, and modern. The other night I was driving it and all of a sudden the Sniper went dead. That with a few others on YouTube (and your guidance) got this SBC '56 truck running super fantastic. com/@DirtySideGetsDownhttps://www. Jan 31, 2022 · Although Holley employees will take part in answering questions from time to time, your questions may or may not be answered by Holley personnel. Hooker BlackHeart. Tune Up Kits; Ignition Boxes; HyperSpark Ignition for Sniper EFI Jan 25, 2021 · Using the Holley Sniper EFI software (LINK), look at where the live cursor moves to during this occurrence, and manually tune that area of the Base Fuel Table (enrich or lean) & Base Timing Table (optimize ignition timing). Sniper Atomic with Holley HyperSpark distributor. We Come to you, and will Aug 2, 2023 · I have a '68 Pontiac Firebird, 400 block, stroker crank with flat top pistons, Kauffman Racing aluminum 85CC heads milled . lift, 224 int. https://www. Holley Sniper 1 EFI Self-Tuning Fuel Injection Systems Holley Sniper 1 EFI self-tuning fuel injection systems deliver all the benefits—and none of the hassles. Check out the video so your not next!Check out our Engine Packages Put an end to mysterious air/fuel ratios, jet changes, and cold-start rough idle troubles with Holley Sniper EFI. Crank Triggers. 623" lift/114° LSA H/R camshaft, Trick Flow R-Series FlowTech Induction Comp Ported intake, BBK 80mm Oct 5, 2020 · Holley doesn't spend much time in the instructions talking about Open Loop tuning, but it's easy to do if you have a laptop. I just ordered the cable to hook up the laptop with the Holley EFI software to the Sniper 2 ECU. 4xe Tuning from Superchips; Accessories; Amp'd Throttle Booster; DiabloSport PredatorX; Dinan Software-Tuning; Inline Tuning Modules; PCM; View All; EFI - Fuel Injection. Come on Holley! Help us out. 5 psi of boost. Categories / EFI - Fuel Injection Sniper EFI Tuning & Tech. For an aggressive engine you need to tune it just like you would need to tune a carb. I agree, not enough timing and too lean at idle. Find Holley Sniper EFI Quadrajet Self-Tuning Fuel Injection Systems and get Free Shipping on Orders Over $109 at Summit Racing! Holley Sniper EFI Quadrajet self-tuning fuel injection systems are ideal replacements when you're tired of rebuilding the 50-plus-year-old Rochester Quadrajet (Q-jet) on your classic ride. To do this, open up the Initial Startup gauge screen that was used in section 17. I use the same approach on another Sniper with a 265° @ . 647", Int & Exh, Lobe Sep 112°, Duration @ . Not running a PCV valve, so EFI vacuum port is plugged. 99. Say goodbye to handheld devices and hello to seamless smartphone integration. Been troubleshooting the Sniper 1 for two years now, getting close to removing all issues, but few more to go. May 16, 2022 · Self-Tuning ECU; Note: If using a Holley Dual Sync distributor, adapter harness p/n 510-558-493 is required to connect to the Sniper EFI. Good fuel economy is a direct result of the fine-tuning performed on the EFI system. Cam: Lift . Ideally suited for classic cars with carburetors, the unit regulates more precisely the flow of fuel into the engine, eliminating cold starts, flooding, and vapor lock. Not running any timing control from EFI. Which can be downloaded for free from the Support section of our website! -Learn Holley EFI, Terminator X, & Sniper Software From Top to Bottom-Learn How to Data Log & How to Make Adjustments From Analyzing The Data-Learn How To Build Fuel Maps, Ignition Maps, Target AFR Tables, Cold Start, Idle, Boost Control, Nitrous, Flex Fuel, Custom Tables, ETC. These drop-in kits make plumbing your Sniper EFI installation as hassle-free as possible. I finally achieved, what I consider, an excellent idling enginebut it wasn't easy. Until it started giving some grief last year varying idle, etc. I've been Transferring Learning To Base every couple of weeks or so. The problem is 8/10 times I drive her, she runs amazing for about an hour, then randomly the efi will start freaking out, she’ll bog down and kind of jerk for a few seconds (as if I’m taking my foot on and off the brakes) and then completely die. The 65° Reference Angle and 300 usec Inductive Delay are what's recommended by the manufacturer when pairing with the Sniper EFI system. When I initially start the car and let it get warm, it will idle around that RPM. Enlisting the help of a tuner such as Andrewb70 can shorten the cycle and optimize your tune and you'll be able to follow along and learn as well. 3. The engine is 496 cubic inches with Sniper and HyperSpark. I find the most helpful datalog function, is overlaying the datalog on your Config File. We took everything that we learned from the original Sniper EFI system and added 14 new features that will make your EFI conversion mo Sep 21, 2022 · All EFI software manipulation, but you get the same result as if following the procedure I outlined above. I highly recommend getting the USB to Sniper cable (some kits come with it) so you can upload and download Config Files directly to the ECU and not fool with the SD card for that. Aug 9, 2024 · Using the Holley EFI software (LINK), look at where the live cursor moves to during this occurrence, and manually tune that area of the Base Fuel Table (enrich or lean) & Base Timing Table (optimize ignition timing). The new Holley Sniper EFI 2-barrel TBI unit is a self-tuning fuel injection system that can be installed on carbureted or port-injected engines. Jul 26, 2023 · The number 1 EFI conversion just got better. The #1 Selling EFI conversion just got better…again! We are bundling some of our top-selling Sniper 2 packages and passing along a savings of up to $180! Available for small-block Chevrolet, Big-Block Chevrolet, and 8. I've seen some tunes that came from dynos (not on this site necessarily) that were worse than the basic Holley wizard tunes. In this video, we walk you through choosing Sniper 2 EFI - a self-tuning, easy-to-install, EFI conversion for common 4-barrel (4150 flange) style carburetors. Categories / EFI - Fuel Injection The Target Air/Fuel Ratio Table & Base Fuel/Timing Table (and MAP kPa & RPM axes/scales) should be configured using the Sniper EFI software: In the Sniper EFI software , Target Air/Fuel Ratio Table (Fuel ICF) & Base Timing Table (Spark ICF), select "2D Table" Type (not "Simple Jan 11, 2022 · Sniper EFI Tuning & Tech. If this is your first visit, be sure to check out the FAQ by clicking the link above. youtub Dec 9, 2020 · Originally Posted by Danny Cabral The Target Air/Fuel Ratio Table & Base Fuel/Timing Table (and MAP kPa & RPM axes/scales) should be configured using the Sniper EFI software: In the Sniper EFI software (), Target Air/Fuel Ratio Table (Fuel ICF) & Base Timing Table (Spark ICF), select "2D Table" Type (not "Simple"). Holley Sniper 2 EFI Quickstart Manual: 199r12505_website. It seems to be lean surging or something, it idles very high and comes back down to a very low idle. Put an end to mysterious air/fuel ratios, jet changes, and cold-start rough idle troubles with Holley Sniper EFI. fvunc qkpf lmwzu yuyam vcshf inhlmh vrpm dfnnws cycv qsno