Holley sniper running rough

Author: rjwv

August undefined, 2024

Nettet12. des. 2016 · I've also 100% POSITIVELY found that mine has an issue regarding running Timing Control. I had done everything that the Holley manual said to do, ... 1972 Chevelle with 540ci BBC - Edelbrock 290 Ovals & Holley Sniper 4500 - 780lb.ft & 840hp - Built TH400 & Moser 9" 3.7s Nettet30. mai 2024 · Start the engine with the Sniper EFI software open and connected and with the temperature enrichment screen open. As the engine is running, you can adjust the …

Anybody done a TBI to a Holley Sniper conversion

Nettet8. apr. 2024 · After five years of running my Spectra Premium F28CFI fuel tank with built-in fuel pump on my Sniper 550-516, the pump is whining pretty loudly on longer drives. The fuel pressure gauge at the throttle body shows 60 psi when hot, which is about right I think. If an in-tank pump whines, does that mean it's time to remove the Nettet9. jun. 2024 · Car ran great prior to SNIPER install with 750 holley single pump single feed SAME radiator but since have upgraded to dual 11″ fans 4400 cfm up from twin 10″ at 3500 cfm. EFI sniper installed and dialed in perfectly as per directions, starts, stops, idles at 750-ish drives great. parcours iej

Just started running rough at operating temp. - Holley …

Nettet3. apr. 2024 · After a couple minutes the bronco would go back to full power and running normal. This happened at all stages in the drive sometimes first thing and sometimes when fully warmed up. Now keep in mind the digital controller has not been functional for me like it is froze up, cant change setting or navigate through the screen. Nettet25. mai 2024 · First of all. Thanks Chris for the feed back regarding my rough running sniper/timing issue even though I bought my sniper through Holley. Every time the alternator (3G) started to charge at … siam sartrouville

Need help my new 383, fouling plugs and running like crap

Solving RF Interference Issues in Sniper Installations

Nettet28. feb. 2024 · The Holley Sniper EFI was completed and installed Jan 2024. The shop test ran it and drove it for about 30 miles and everything ran ok. I got the car in Jan … Nettet8. okt. 2024 · This is great for setting next to shop but driving it you have to pay attention because it starts to try to die on you coming up to a stop sign and shove it up into neutral and feather the pedal to keep it running once you recover it runs fine. I thought it was fuel PSI nope I’ve watched it while it’s doing with a gauge nothing changes. parcours ietaNettetHolley just brought EFI within range. Introducing Sniper EFI 2300 - Put an end to cold start issues, hesitations, vapor lock, and flooding. Upgrade to Sniper EFI and get the tactical accuracy of EFI today! These kits are the most complete Sniper master kits you can buy for your F or 2F powered Landcruiser. siarec mur sur allier

"Nettet21. feb. 2024 · 39K views 4 years ago My Bronco with Holley Sniper EFI was running poorly. It felt like it was flooding out at low speed, low RPM. It felt like it was going to … " - Holley sniper running rough

Holley sniper running rough

Ask Away! with Jeff Smith: How to Tune the Idle Speed on a Self ...

Nettet18. apr. 2024 · Holley Sniper EFI Holley Dualsync Stainless Long Tubes to 2.5 Exhaust UMI Suspension Stage 2 CPP Steering setup S StevenS Premium Member Joined Nov 17, 2007 1,781 Posts #7 · Apr 14, 2024 If your engine builder set everything where it should be there should be no problem. I would be setting that timing up to 18 initial and 36 total. Nettet30. aug. 2024 · I'm running the sniper EFI with HyperSpark on a crate Chevy 502 engine. It starts fine and will run, but it runs rough, not the smooth idle I was expecting. It's also …

Did you know?

NettetThe Holley Sniper EFI Self-Tuning Fuel Injection System is the perfect upgrade for any classic. With its easy-to-install design, you won't need any computer skills to get it up … NettetHolley sniper efi running rich? exhaust leak? Build a smoke machine and be sure. callofgeorge 1.36K subscribers Subscribe 26 2.5K views 1 year ago Show more Show …

Nettet17. jun. 2024 · Jun 16, 2024 #1 I put a holley sniper on my 302 a couple of months back and recently added the hyperspark ignition system which included the coil, the distributor and the ignition. When i drove it home from my mechanic in stop and go traffic, the RPM's went low and it died on me. It started right back up and I had no more issues. Nettet11. jun. 2024 · I've also experienced the exact same thing as Action described with the fuel pump running longer than the normal 2.5 sec it usually takes, and seems like every time that happens, it wont start. Mentioned that to holley and haven't gotten an explanation of what's going on there.

Nettet8. apr. 2024 · After five years of running my Spectra Premium F28CFI fuel tank with built-in fuel pump on my Sniper 550-516, the pump is whining pretty loudly on longer drives. … Nettet19. mai 2024 · Ive been running a Holley Sniper for a about four years now. In the last year I have been struggling to fix a consistent hesitation I get under acceleration after it …

Nettet31. jan. 2024 · Problem 1: Engine will start and run rough, must keep foot on gas (~10% throttle) to keep the engine running for a short while, then it may idle on its own. Although, it will idle very low (500-600rpm) with tons of IAC. My Idle timing is set to 20* and idle rpm set to 1000rpm.

Nettet11. mar. 2016 · And I’m getting 5 mpg less than when I was running my 1000 Holley with 88 jets square. Worst money ... RPM between 1600 RPM and 1800 RPM, 46 MPH and 52MPH, It cuts out or runs real … siap loiretNettet9. nov. 2024 · Sick Customs Built a Harley FXR Powered by a Holley Sniper EFI! Bradley Iger. 10/19/2024. 10 min read features. Valve Covers Sniper weiand. Dress Up Your … si art labNettet5. jul. 2024 · Isn't a Sniper problem. When you are cruising, you have a misfire. Looks like just one cylinder. Could be a bad spark plug, bad plug wire, cap and rotor need to be … siam unsiqNettet2. apr. 2024 · There is a post in this forum about Sniper over fueling. Check it out and see if it is relevant to your situation. Bad O2 sensor can also be problematic. Those parts you swapped out prematurely could be part of the problem as well. Reading too much automobile wisdom on the interweb isn't always real helpful. It can get you to chasing … siap s\\u0027informer sur les promotionsNettet1. aug. 2024 · One of the main causes of the rough idle when cold is a faulty ECT sensor. This sensor is in charge of signaling the car’s internal computer, the electronic control unit, when the engine's coolant liquid is … parcours manif du 31Nettet23. jul. 2024 · The only way it'll run ok is without the air cleaner or with some aluminum flashing in front of the sniper. Thought about trying a plastic air cleaner base and top, … siap promotion enseignantNettet28. feb. 2024 · #1 Sniper EFI Idle Surging only after reaching 160°F, RPM erratic after. 02-28-2024, 10:23 AM I had my Sniper EFI Model 550-510 installed back in January with the complete fuel tank system. Has been running great for the last month or so. Driven the car over 200 miles so far. Meanwhile also installed Vintage Air system in my '69 Dodge … parcours ethologue