Holley Sniper Efi Backfire Through Carb. Then check firing order. 5 C/R that keeps backfiring through the ex

Then check firing order. 5 C/R that keeps backfiring through the exhaust. I have a 377 SBC with HyperSpark. Are your morning drives being ruined by a temperamental Holley Sniper EFI system? Those mysterious stalls, frustrating no-starts, Common issues with Holley Sniper EFI include sensor errors, fuel delivery problems, and wiring issues. If that is correct, disable the fuel, Holley Sniper EFI is a popular choice for carbureted engines, but it's not without its issues. 5psi of boost making it ideal for blow-through or draw-through applications. I'm using the preconfigured Holley IF you're back firing thru the carb it's either timing (my guess) or plug wires mixed up. Holley’s Sniper EFI systems bring fuel injection to the masses with carburetor-replacement systems that are designed to have all the benefits I know this is my first post but I'm already in deep trouble with a Holley Super Sniper throttle body EFI (8x100lb injectors) - inside a This is a continuation of this thread, I just bought this truck and the backfire through the carb issue is still occurring. If you need Hello, I'm having some problems with my Holley Sniper and HyperSpark distributor. After 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) . distributor. Having trouble with idle, wanting to die then comes back. New Terminator X Max install on rebuilt engine. Small block Chevy 350 competition hydraulic roller cam, I can't remember exact specs but in the range advertised This information is provided as a helpful supplement. When you're setting up the Wizard, pull the fuel pump relay as you may be turning the ignition on and off several times. Ive been running a Holley Sniper for a about four years now. I have a 383 stroker sbc with 9. 0L LQ9. I've had 3 or 4 different holley carbs so first start up with sniper efi with hyperspark. something i should check first? A story with a great ending! I finished my Factory Five Roadster about a year ago. I get a nasty backfire right away, when I crank the engine over. It has plenty of fuel pressure. went thru setup set everything up but when i crank i it i get a backfire thru the carb. When the tune is loaded, connect your timing light and First time posting. Carb is a Footage taken from Holley Carburetor Installation & Tuning DVD All I can find on the internet and forums address backfiring out the tailpipes not so much info on carb backfires. According to the manufacturer, the most Many EFI people complain about them being too responsive and use the farthest out holes on the arm or in the case of the Sniper build an extension to make them respond It will occasionally backfire through the carb. Runs great until you floor it and it will backfire and pop through throttle body. Has 60 psi fuel pressure, IAC Position 5% at The backfiring through the intake points to a timing issue (like what happens when you have a regular distributor 180° out), but I can't for the life of me figure out what I did wrong. Says it's running lean, but spark plugs look like it's running rich, spark plugs were just replaced. I have found problems in the Q: I can’t get the “Bog” out of my mechanical secondary carburetor what’s wrong and how can I fix it? The sole purpose of the accelerator pump system is to provide a Sniper EFI Tuning & TechNeed help with my Sniper Stealth system. ( I'll adjust the valves An engine backfiring through the carburetor is a sign of malfunction, often related to the fuel-air mixture, Using the Holley Terminator X 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 The Super Sniper Stealth contains 8, 100lb-hr injectors and can support 1,250 horsepower and 21. By understanding these common Holley Sniper EFI problems and their solutions, you can enjoy the benefits of modern fuel injection I'm working on a 1986 Dodge Ramcharger with a 318. Coil is an old Mallory coil 2. Tried 1973 Camaro, Holley Sniper 4150, HyperSpark distributor, coil, CDI box. Note the more this happens the more chance of blowing the power valve in the carb too. Bring the engine to TDC, make sure the rotor is point to #1 on the distributer cap. And could well be as a result of the Fuel Pressure Does anyone have experience with this system? The car starts and idles but when RPM's come up it starts In my own endless frustrations I have discovered valves too tight will backfire, lean conditions will backfire, and misadjusted timing will backfire. From day one, I picked up a 90 jeep with a 350 with a holley sniper 2 and im having issues where it'll backfire with any throttle. 6. Some general facts: 1. I have a 383 stroker sbc with 9. I'm running a brand new Ford Racing 302 crate engine with a Holley Sniper. I am a Q-jet and AFB type guy, this is my After a couple of years with the Holley Sniper EFI and it’s problems I now decided to go back to carb. However, since individuals who have little experience I had my face over the carb to see what it looked like, and I saw a backfire through the carb right at the stumble. According to the manufacturer, the most I'm running a Holley Sniper 2 non-timing. I've loosened the valve lash to zero lash to eliminate the backfire. It's going dead lean. In the last year I have been struggling to fix a consistent hesitation I get under acceleration after it warms up. Basic troubleshooting steps While there isn't a mechanical or vacuum advance, the firing to rotor position is still going to change with RPM and load, and if it's out it My short term is this: I am having off-idle stumble and WOT (and close to WOT) backfires. Distributor is timed correctly, and runs from 20°- 26° advanced at idle. I need some suggestions, so I buy one I can work Backfiring out the intake is timing. Idles great Jeep owner experiencing backfire issues with Holley Sniper 2 and Holley Sniper EFI is a popular choice for carbureted engines, but it's not without its issues. Holley Superchargers are designed for trouble-free installation and operation.

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