Can the fan/ fans be programmed to come on with the AC ground signal? If it is a drop base air cleaner, you may have to run a spacer under the air cleaner to help clearance the snipers body and fuel lines. The Terminator, Sniper and Avenger Systems include a hand held programmer. May God's grace bless you in the Lord Jesus Christ. Bolt on carburetor replacement (designed to fit single & dual carb manifolds) One thing to watch as your tune improves through self-learning is the IAC number. After I sent it back the 2nd time they ran test and said that they were just going to send me a new replacement, WAIT WHAT! The Sniper has -6 AN male inlet and return fittings. But someday you're going to want to do more. Holley EFI V5 Build 171 Complete File Set - Include Software/Firmware and all Digital Dash or Handheld Firmware. This will give the IAC more headroom to pull the idle speed down. After my engine rebuild I drove my car 200 miles. Holley EFI Updating Firmware Instructions, Holley EFI Datalogger Instructions for V3 software, Gen III HEMI EFI Component Selection Chart, HP and Dominator EFI Component Selection Chart, Previous Holley EFI V4 Software and Firmware, Holley EFI V5 Build 171 Complete File Set. While it is absolutely advantageous to allow the Sniper to control timing, first get the engine running with the existing ignition system (assuming you have a working ignition system.) Let's get started! View Holley Sniper EFI Self-Tuning Kit - Shiny Finish, View Holley Sniper Stealth 4150 - Black Finish, View Holley Sniper EFI 2300 Self-Tuning Kit - Classic Gold Finish, View Holley Sniper EFI Rochester Quadrajet (Q-Jet) - Classic Gold Finish, Dual Pattern bolt on carburetor replacement, designed to fit 4150 Flange & Spread Bore manifolds - (Spread Bore Sealing Plate Part #9006 is recommended), Throttle body mounted ECU no extra boxes to mount. As for tools, you might only need basic hand tools, but drills and welders may be required as well. After install truck ran so much smoother and now I'm saving on gas as well!!! The Dominator ECU can run up to 24 high or low impedance injectors It can run three sets with one staged on a 4 or 6 cylinder. Setting the throttle position and response was a little difficult for me and the instructions didn't seem very clear, but that could just be my fault. The following vehicles are considered Uncontrolled (Non-Emissions Controlled) Vehicles: WARNING: It is against the law to install this part on an Emissions Controlled Vehicle. Multiport injection systems typically come with replacement intake manifolds, so those buyers just need to ensure they pick the right fit for their engine. Always read the instruction and follow proper installation procedures to avoid ECU damage. Hopefully, this guide will resolve some questions you may have considered when installing a Sniper EFI system. All Rights Reserved. The ECU in the Holley SNIPER EFI can control your vehicles ignition system with a couple of quick modifications to the distributor. Is the Sniper EFI system capable of running a distributor less ignition system? Possibly a Holley employee with verify this: The Points Output signal from the EFI harness alternates The Sniper EFI system will be offered in a 4 and 8 injector option. If the car starts normally, and if it restarts normally when warm, then you have likely found the problem. Surprise, way smoother idle,cruise, and rediculous throttle response. Could I run this system without doing anything to the ignition side? It's also a self-learning system, meaning you don't need to be a tuning expert to get it running. Holley Sniper EFI System. You should then check the fuel pressure with the pump running. However, what you are describing sounds like something got confused. Yes it is very important. The systems also has integrated boost control. The included O2 sensor is all that is needed for our Sniper TBI systems. installing sniper 550-511k system on 1968 lemans convertible has been updated to hei distributor just curiuos if any recomedations where the best place to connect the pink wire? I don't know why my rpm curve was so high. It is a 383 stroker motor in my 67 Chevelle. A: An EFI system can come with most of what you need to bolt it on. Maybe you want an in-tank fuel pump--in some cases this is a fairly easy option. Suggestion number 1, the handheld display should have a holder for the stylus. NEVER HOOK TO COIL(-) WHEN USING A CAPACITIVE DISCHARGE IGNITION BOX! Automotive Wiring: "Good Enough" Is Anything But! Connects directly to battery positive terminal - CONNECT LAST, Connects directly to battery negative terminal - CONNECT LAST, Engine Speed Input (ONLY FOR USE WITH COIL (-) IGNITION SETUP), Optional - Connect to aftermarket tachometer, Optional - Connect to Holley EFI Analog Gauges (using 554-130 Module), Optional - Used for programmable 0-5V sensor input, Optional - Used for programmable ground output. Currently we do not have an EFI system that has the ability to do timing control with unevenly spaced firing orders (odd fire). 2022Recurrent Ventures. It probably wouldn't even work very well on a dual-plane manifold with a spacer, since the weight of the fuel might not make the sharp turn very well..On a single-plane manifold, however, I can't think of a problem other than a strange orientation of the linkage, but I'm sure you are thinking about that in making this decision. Something as simple as weather, temperature, and elevation changes can dictate how much fuel an engine needs. Those that have successfully done Holley Sniper EFI Am I missing something here? The Drive has answers. This behavior is controlled by the IAC Parked Position and the Startup IAC Position Hold and Decay Time in the Idle configuration. Stay up to date with the latest releases, events, promotions and more. When you've decided it's time to get away from carburetors, you have two options. By Steven L on February 16, 2018 | Verified Owner. Can someone give me a quick explanation of what the coil driver is used for? I drove the car on two separate occasions, one for about 20 mins and the other about 40 mins with the a/c running. Yes, however, you will need to run a dual tank switching valve specifically designed for use with an EFI system that is pressure and flow rated for both feed and return lines. Will your EFI system work with my Oddfire engine? I would start with a digital probe on the wire between the MSD6 tach out and the pin A of the 7-pin connector on the Sniper EFI. By christopher l on February 14, 2018 | Verified Owner. Im currently set up at a .54 ish gap. And can the coil driver be setup for non ECU timing control? I am also planning to get the Holley distributor and Sniper fuel tank. The install video was much more helpful to me than the written instructions. Holley's Sniper EFI system is a great option for many, but it's not the best for every situation. I don't claim to be a guru on spark plug gap but I always start with the exact plug and gap specified for a specific engine. Initial set up and programming was a breeze. Sniper EFI; If this is your first visit, (Holley Sniper EFI Loose Fuel Injector Connector Fix) May God's grace bless you in the Lord Jesus Christ. These are the most simple and affordable types out there. I had actually called to inquire as to which upgrade card i needed for. The Dominator is dual channel capable. If you do not want to target a specific AFR closed Loop can be disabled. A minimum of a 255LPH EFI pump is recommended. Will the coil driver from the Sniper work in a Terminator setup? I'm going to get a new Walbro with -6 fittings on each end to solve that. These have generic value when received and will need to be adjusted by the customer based on their individual needs. Second, the Sniper EFI system is not yet built for dual (much less triple) throttle body setups. What are some good EFI systems for daily driving? Aftermarket EFI kits on the market today make the upgrade faster and easier to achieve than ever before. Ford 390 Engine hesitating / stutter - forums.holley.com And it's completely plug-and-play with your engine. 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Holleys 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. Thanks for the input Chris. I'm still in the process installing my Sniper EFI, but I do plan on eventually adding the Holley Dual Sync Distributor to control timing. This is fully adequate, completely safe, and the lowest cost option. Where do I send my ECU to have it repaired? I'll be going with the Holley replacement tank kit as well, replacing all the fuel lines (true I just need your confirmation. (It needs to be open a little bit to crank so if it starts having trouble cranking then maybe you've lowered this too much. I found that the EFIPRO throttle lever extender and progressive linkage together made the sniper much more streetable. Will your system control my factory transmission ABS brakes etc.? Yes, the combination of the Sniper EFI System, Holley HyperSpark distributor, and the Sniper Fuel Tank System would be a great combination for your '69 Camaro. That elicited a phone call from Holley Engineering who explained I was absolutely wrong about that. Hey there, The integrated Fuel pressure regulator simplifies plumbing/installation! These are available from companies such as TCI. We want to make sure that when you get your system that you're not having to do a bunch more shopping before you can start the installation. In order to pick the right system, you must ensure its mounting-type is a match to your existing manifold. Holley carburetors operate at a range of 5.5 to 7.5 psi of fuel pressure and use a 40 micron filter.

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