Holley sniper efi install time The design includes a single Hall Effect sensor providing engine RPM to the ECU. Oct 10, 2023 · Upgrade your classic sniper setup to Sniper 2 EFI effortlessly with Holley's Sniper 2 EFI Conversion Kit. Learn More Here Holley Performance Products has written this manual for the installation of the Sniper EFI TBI fuel injection system. Holley EFI 6. Say goodbye to the hassle of rewiring your entire system. It is our How To Install The Holley Sniper EFI Conversion Fuel Tank How to Replace a GM Quadrajet Carb with EFI Nov 27, 2018 · Holley just brought Electronic Fuel Injection (EFI) within range — introducing the Holley Sniper EFI! 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! Holley Sniper EFI is perfect for hot rods, street rods, muscle cars, off-road trucks, or nearly any carbureted vehicle. This video guides you through the simple installation process, from swapping out the throttle body to connecting the adapter harness and more. They can also be used with other EFI systems that support a Hall Effect crank signal input. We installed Holley’s Sniper EFI fuel system for 1986-1993 Mustangs. Follow these simple instructions to ensure your car’s electrical system is ready for modern fuel injection. Please read all the WARNINGS! and NOTES, as they contain valuable information that can save you time and money. It includes all necessary components for converting a vehicle's fuel delivery from carbureted systems to electronic fuel injection. It is our Jul 14, 2020 · Holley Performance Products has written this manual for the installation of the Sniper EFI TBI fuel injection system. May 12, 2025 · Our Fox Mustang can only produce reliable horsepower with proper fueling. Before I installed the Holley Sniper EFI on my C10, I was skeptical about the benefits I heard I would get. View and Download Holley Quadrajet Sniper EFI installation manual online. First on the hit parade was installing the Holley sniper in-tank fuel pump into my new tank, its a very straightforward install Holley Performance Products has written this manual for the installation of the Sniper EFI TBI fuel injection system. It is reliant on the data acquired by the included wideband oxygen sensor. This guide will walk you through a basic installation including what parts are necessary to swap as well as what to watch out for. May 14, 2025 · Join the Holley forum to discuss Sniper 2 EFI installation and share insights with fellow enthusiasts. Feb 5, 2024 · We sat down with the Holley EFI tech experts to learn about the Sniper 2 throttle body EFI system—get tuning tips, install advice & more. Feb 24, 2025 · Sniper 2 EFI Holley EFI CAN Information Sniper 2 Overview Sniper 2 Complete Installation Guide Sniper 2 Firmware Update - How-To Sniper 2 Fuel System How-To Sniper 2 Videos, Features, and Tech 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. Key features of the kit provide integrative solutions, such as self-tuning capabilities and ease of use for DIYers. /lbs. Prestart Checklist Before starting the engine, double check for leaks, proper wire routing, any wiring hazards or loose nuts and bolts. But this time, I made an exception. efisystempro. I'm pretty sure those are the correct specs from receipts I have, I Holley Performance Products has written this manual for the installation of the Sniper EFI TBI fuel injection system. Also for: 550-867, 550-868, 550-869. You may be able to re-use the stock style throttle stud or transmission studs from Apr 6, 2018 · Holley Super Sniper EFI Install - The Basics All images courtesy Holley unless otherwise noted. Apr 4, 2018 · Normally, I’m one of those not-so-adept follow-uppers. 5:1 comp, Merlin single-plane intake. Add in some needed fittings and hose, and we were ready to take on the world! Holley Performance Products has written this manual for the installation of the Sniper EFI TBI fuel injection system. It is our Holley Sniper EFI Installation Tech Tips – Toyota Land Cruiser Holley Technical Training Manager, Tom Kise previously published a list of ten “suggestions” to assist you through the common installation issues while installing your Sniper EFI System. Aug 11, 2017 · Holley Technical Training Manager Tom Kise recently published a list of ten "suggestions" for Sniper EFI System installation and I offer them here essentially unedited. It is our View and Download Holley SNIPER 2 EFI installation instructions online. For those of you considering this upgrade, here is a walk-through of how my installation went, with a review at the end: PARTS INSTALLED: MSD Pro Billet Low-Profile Distributor 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. Feb 25, 2020 · So you're ready to switch from carburetor to fuel injection, but you're unsure of what all is involved. Called Holley, and got pressure gauge, and pump was only putting about 10 psi after 5 second cycle and would get to 30 only. It is our intent to Holley Sniper 2 EFI Quickstart Manual: 199r12505_website. Thanks to Sniper 2 converting to EFI just got a whole lot easier. This basic manual contains the information necessary for the installation of the throttle body, wiring, and sensors. The system also supports various fuel types and engine configurations. The firmware for the handheld and the laptop software are the same for Sniper and Sniper 2. Install the hold down nuts and snug down progressively in a “criss-cross” pattern (60-80 in. The precision machined shutter wheel design ensures accurate timing, even at very high engine speeds. Holley Performance Products has written this manual for the installation of the Sniper EFI TBI fuel injection system. I just completed this install on a Ford 400 (1978 F250) and have been trying to tweak the settings for a few weeks. . 050 580" lift 1. Want proof? We actually did it, so check it out. Introducing Sniper 2 EFI - a self-tuning, easy-to-install, EFI conversion for common 4-barrel (4150 flange) style carburetors. It is our Installation of our Sniper Fuel Injection system is one of the simplest ways to upgrade and replace your carburetor with modern technology. It warms up, hits just over 185°F and the Closed Loop comes on and it goes into learning (not sure if that's relevant). Also for: 553-200. com) Part # 550-510-3XX Quickstart guide: 199r12505_website. Jun 12, 2018 · INTRODUCTION & SYSTEM REQUIREMENTS Holley Performance Products has written this manual for the installation of the Sniper EFI TBI fuel injection system. 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. Jul 29, 2020 · INTRODUCTION & SYSTEM REQUIREMENTS Holley Performance Products has written this manual for the installation of the Sniper EFI TBI fuel injection system. Splitting the timing control into a secondary process will add very little time to the total install, but could significantly help with trouble shooting, should it be needed. ). The The #1 EFI conversion system just got better. The Holley Sniper 2 EFI system offers a modern, plug-and-play fuel injection solution, designed to replace traditional carburetors with ease. Please read all the WARNINGS and NOTES, as they contain valuable information that can save you time and money. Although Holley employees will take part in answering questions from time to time, your questions may or may not be answered by Holley personnel. 86" Digital Dash • Holley EFI 6. Holley Performance highly recommends the following items be checked and/or corrected prior to installation of your new Sniper 2 EFI system to ensure optimum performance from your engine. It features plug-and-play functionality, integrating seamlessly with various components for easy installation. This includes installation of the fuel system, throttle body and injectors, complete wiring harness and sensor installation. What do I do? I'm lost for words and ideas. They offer a range of features that make them a popular choice. Hello. It is our May 11, 2025 · Holley Sniper EFI systems are user-friendly. Apr 3, 2022 · Sniper EFI Tuning & TechGood afternoon. Jul 26, 2023 · The number 1 EFI conversion just got better. Follow their installation journey and test drive results. Let’s review one of the best EFI units ever made, the Holley Sniper EFI. Jun 14, 2019 · I recommend getting the Holley Sniper EFI fuel tank. BASIC HOLLEY EFI INSTRUCTIONS We strongly recommend having a professional with experience install and fine tune your EFI system. It is our Holley Performance Products has written this manual for the installation of the Sniper EFI TBI fuel injection system. Sniper EFI will work with many types of distributors and ignition systems, you can even put it on an LS engine! This video is intended to cover every step INTRODUCTION & SYSTEM REQUIREMENTS Holley Performance Products has written this manual for the installation of the Sniper EFI TBI fuel injection system. com Common Installation Issues Installing the Holley Sniper EFI system can enhance your vehicle’s performance. We arrived Thursday morning around 10 am and got started. I'll be going with the Holley replacement tank kit as well, replacing all the fuel lines (true non return). Nov 15, 2022 · Holley recommends that those who wish to use the Sniper’s timing control feature first get the engine running without timing control. Where is a good 12v cranked ignition source on a 1964 Cadillac thatd be easy to tap into ? Mar 2, 2020 · Hi Guys, I have a GT350 setup (from a 67) in my 65. Could it really work that well? Apr 24, 2018 · With the release of the Sniper 2 4150, Holley brings all of the Sniper family into V2 firmware and Software. SNIPER 2 EFI power distribution unit pdf manual download. It is our Feb 20, 2025 · With the right wiring setup, your EFI conversion will run smoothly and reliably. After the install is completed does it really more or Holley Performance Products has written this manual for the installation of the Sniper EFI TBI fuel injection system. Like all Sniper EFI systems, Sniper 2 is designed to INTRODUCTION & SYSTEM REQUIREMENTS Holley Performance Products has written this manual for the installation of the Sniper EFI TBI fuel injection system. Place the Sniper EFI throttle body on top of the new flange gasket on the manifold. First time poster. This guide provides detailed instructions for installation, tuning, and maintenance, ensuring optimal performance and seamless integration with your vehicle. Digital Dash. I'm hooking up a Sniper EFI this weekend. Sniper EFI is versatile. I turned off and started up and cut off and no start after that. I finally have the time to start working on it again. Working with Holley, we put together a healthy parts list, including a Holley Super Sniper Stealth 4150 EFI kit, Sniper Hyperspark Coil, a 318-360 Pro Billet distributor, Billet EFI Bypass Fuel Pressure Regulator, Sniper EFI Fuel Tank System and a Holley Dominator single plane intake. 95, requires only an O2 sensor, a temp sensor, an electric return-style fuel pump, and four-wires to connect. Upgrading from the older system is straightforward, enhancing performance and adaptive tuning for an improved driving experience. It is our Nov 2, 2020 · INTRODUCTION & SYSTEM REQUIREMENTS Holley Performance Products has written this manual for the installation of the Sniper EFI TBI fuel injection system. In this video, we walk you through choosing Perform all steps in the specific “Hardware Installation Manual” that was included with your Holley EFI system. Apr 6, 2023 · Hello everyone. May 15, 2025 · Installing a Sniper EFI system? Holley’s Master Fuel Kits make it easy to get your fuel system right the first time. The Holley Sniper 2 EFI system modernizes vehicle fuel management, significantly elevating the original Sniper. Depending on your application, this is also the time to install your throttle bracket and transmission kickdown brackets. Holley recommends that those who wish to use the Sniper’s timing control feature first get the engine running without timing control. com) Overview and Install Videos: Sniper 2 EFI Technical S Installation guide for Holley Sniper EFI system. My car is a '67 Firebird, 509ci Merlin engine, 9. Holley Sniper EFI 2GC Small Bore - Classic Gold Sniper EFI Conversion kit for 1955 to 1969 Chevrolet, Buick, Oldsmobile, and Pontiac vehicles that came with Rochester 2GC Small Bore Carbs. This guide walks you through choosing the right kit, proper fuel line routing, pump mounting, and key tips for maximizing performance and reliability. 2/4 injector / 2300. HyperSpark Ready to Run adds plug and play ignition timing control to any Holley EFI system. This manual contains the information necessary for the installation of the throttle body, wiring, sensors, and fuel system. The precision shutter wheel design ensures accurate timing, even at very high Holley Performance Products has written this manual for the installation of the Sniper EFI TBI fuel injection system. These include a built-in ECU and touchscreen display. Please be aware that this is a community forum. For trained mechanics. Usually, deadlines don’t afford me the opportunity to go back and revisit an install I had done months prior. This design includes a single Hall Effect sensor providing crankshaft speed to the ECU. Dec 20, 2023 · To start viewing messages, select the forum that you want to visit from the selection below. It is our 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. Is there anything that should be checked on the kit before Apr 12, 2018 · INTRODUCTION & SYSTEM REQUIREMENTS Holley Performance Products has written this manual for the installation of the Sniper EFI TBI fuel injection system. Nov 28, 2016 · The Holley Sniper system sells for $999. I have a local shop that will be doing the Sniper efi conversion this spring. Based on the context, a suitable Holley Sniper EFI system for a 1969 Oldsmobile 442 with a 400 engine and automatic 4-barrel would be one compatible with a 4, 6, or 8-cylinder engine up to 650 HP using 4 injectors, with a 2300-style 2-barrel flange intake manifold. Sniper 2 EFI - a self-tuning, easy-to-install, EFI conversion for common 4-barrel (4150 flange) style carburetors. Thus, Holley can not guarantee an answer or timing on an Nov 24, 2016 · A few weeks ago I purchased the new Holley Sniper EFI system for installation on my 55 Chevy 210 with a crate 350. Jul 17, 2024 · The Sniper EFI system looks at the closed-loop fuel compensation required to reach your target AFR. 7 rockers. Jan 20, 2020 · If you're installing a Sniper EFI system and almost ready to crank it over for the first time, this is the video for you! Holley Performance Products has written this manual for the installation of the Sniper EFI TBI fuel injection system. It is plug and play (minus regulator and return) for carbureted motors so once you go EFI it is already installed and ready to go. Received new fuel pump today and installed and only 22 psi at this and at pump. This is great information that can only get you closer to an ideal solution. Installed Sniper Master Kit and ran great for 20 mins. Sniper 2 is a brand new design from the ground up. If you have purchased an engine from Prestige Motorsports there will already be a basic tune installed in the ECU from dyno testing your engine. 3" Pro Dash How To Build A Custom Timing Table - Sniper EFI • How To Build A Custom Holley Sniper EFI HyperSpark Distributors are designed to plug and play with Sniper EFI systems. 86" Digital Dash Holley EFI 12. Quadrajet Sniper EFI automobile accessories pdf manual download. Remember that proper installation is half the battle – take your time, follow the instructions, and don’t cut corners with wiring or fuel system components. This line of distributors comes with a built-in ignition coil driver, removing the need of mounting an ignition box or external coil driver. I believe it's a solid flat tappet cam with 114° LSA 256°/256° @ . Like all Sniper EFI systems, Sniper 2 is designed to Holley Sniper Installation Supplement Please note, a Holley Sniper instruction manual, as well as some small parts that come with the Sniper unit, will be included with your engine. Are you converting an older car into a super strip burner and like the old school look of a big four barrel carb sitting under the hood, but want the performance benefits of fuel injection? HyperSpark Ready to Run adds plug and play ignition timing control to any Holley EFI system. Yet, common installation Jun 4, 2019 · The car is powered by a turbocharged 363 custom small block Ford engine. Jul 7, 2023 · Scan with Smart Phone Holley Performance Products has written this manual for the installation of the Sniper 2 EFI TBI fuel injection system. View and Download Holley Sniper EFI 550-852 installation manual online. Scan with Smart Phone Holley Performance Products has written this manual for the installation of the Sniper 2 EFI TBI fuel injection system. Dec 1, 2022 · INTRODUCTION & SYSTEM REQUIREMENTS Holley Performance Products has written this manual for the installation of the Sniper EFI TBI fuel injection system. pdf (holley. I purchased a Sniper EFI system several years ago, and didn't get a chance to install it. This is a great time to visually inspect the overall Sniper EFI install. It is our Holley's Sniper EFI Super Sniper Stealth 1250 is the best way to convert your carbureted engine to fuel injection with just 4 simple connections required. The system is still new-in-box. May 24, 2022 · Here’s our parts table. I then ended up moving shortly thereafter and the project has been sitting ever since. Eric installed a 750 cfm Demon carburetor, but decided to swap in a fuel injected setup. SNIPER EFI automobile accessories pdf manual download. Holley Sniper EFI Kit The Holley Sniper EFI kit is at the heart of this installation. 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. Super Sniper can support up to 1250HP boosted with 8 100 LB/HR Injectors. Whether you're upgrading or starting fresh, don’t leave fuel delivery to chance — Holley has you covered. 3” Pro Dash • Holley EFI 12. It's time to move towards better fuel economy, increased performance and perfect cold starts. Dec 19, 2017 · I took a few days off last week to head up to Northridge, to install the Holley sniper EFI system on my car. INTRODUCTION & SYSTEM REQUIREMENTS Holley Performance Products has written this manual for the installation of the Sniper EFI TBI fuel injection system. Sniper EFI 550-852 automobile accessories pdf manual download. I bought a holley sniper efi system for my 1964 C adillac and it requires a clean 12v ignition source thats on while cranking . This is truly a DIY process you can do with basic tools, time, a Holley Sniper EFI Training Part 1: Laptop Software Installation walks you through downloading and installing the Sniper EFI software to begin our training co View and Download Holley SNIPER EFI user manual online. Oct 16, 2024 · Hot Rod Ranch upgrades classic car with Holly Sniper 2 EFI system for improved performance and reliability. Covers throttle body, sensors, fuel system, wiring, and tuning. I now have it running and it seems like all is well, but I have the same problem repeating every time I run it. Let's get started! Holley Performance Products has written this manual for the installation of the Sniper EFI TBI fuel injection system. May 27, 2025 · By understanding these common Holley Sniper EFI problems and their solutions, you can enjoy the benefits of modern fuel injection without the headaches. Apr 30, 2018 · INTRODUCTION & SYSTEM REQUIREMENTS Holley Performance Products has written this manual for the installation of the Sniper EFI TBI fuel injection system. Feb 22, 2018 · Holley's Sniper EFI is a true bolt-on improvement that you can install yourself in your driveway. This means it will work on most any V8, V6, or similar traditional engine. Mar 17, 2025 · The Holley Sniper 2 EFI system modernizes vehicle fuel management, significantly elevating the original Sniper. He chose Holley’s Sniper EFI system, and in this video, Eric will take you step-by-step through the entire EFI installation in great detail. Nov 9, 2022 · Installing electronic fuel injection EFI onto a classic car is easier than ever. It is our intent to HOLLEY TRAINING EVENTS Holley hosts a number of training events for Holley's EFI systems and Carburetors. In this video series, we show you how to install the Holley Sniper EFI 2 fuel injection kit. Credit: www. May 22, 2022 · Installation of our Sniper Fuel Injection system is one of the simplest ways to upgrade and replace your carburetor with modern technology. oovnlermetenawbscqrxuohwiuxwwuahinesfxynkneclptdqfjelffxqudmieaiwkfirtgxscwsyqfuazg