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Holley sniper running rough

Nettet2. aug. 2024 · If the engine starts but is extremely rough-running we’re still in the “guessing” stage because misfires are going to cause the AFR to read lean. ... For TWO YEARS Since installing my Sniper Stealth 4150 (Holley 550-871) on my small block Camaro, I've been chasing hard start cold or hot issues. Sometimes, ... Nettet1. mar. 2024 · Is the sniper controlling timing? The only time you should be as low as 7 would be when the engine is cranking. Idle could be 20-25 deg cruise around 40 full throttle 34-36 or so. The old engines stink. I don’t need to even spray pesticide in my garage, the exhaust keeps bugs away. Adam Brown Registered Joined Sep 9, 2024 161 Posts

Holley EFI Problems ClassicBroncos.com Forum

Nettet29. sep. 2009 · Discussion Starter · #1 · Sep 19, 2009. I just finished upgrading my Holley 4160 vacuum secondary carb with the secondary metering plate where you can change out the jets (I took out the fixed metering plate). The car has a hard time starting like it's not getting any fuel. The weird thing is it seems to be intermittent. 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 design thinking course nz https://ravenmotors.net

Sniper EFI Idle Surging only after reaching 160°F, RPM ... - Holley

Nettet23. 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, … 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 … chuck edge county judge

Anybody done a TBI to a Holley Sniper conversion

Category:Holley Super Sniper EFI Self-Tuning Fuel Injection System : 650HP ...

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Holley sniper running rough

We Test It: Holley’s New Sniper EFI - MotorTrend

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. 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 …

Holley sniper running rough

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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 … 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.

Nettet18. sep. 2024 · Holley's tech forum also pushes their customers away from trying to use a magnetic MSD distributor, and steers them towards running the Holley Dual Sync, a … 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.

NettetHolley 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. 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. …

NettetHyperSpark Ready-To-Run Distributors. $389.95. 8 Products. View Parts. Sniper HyperSpark Ignition. $15.7 - $799.95. 71 Products. View Parts. Holley Sniper EFI. Sniper EFI 5" Digital Dash. $399.95. ... Beef Up …

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 … design thinking course nptelNettet25. 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 … chuck edgingtonNettet17. jan. 2024 · The Sniper EFI throttle-body drops in place of your carburetor. The four-injector version, which we tested, supports 650 hp, while the available eight-injector … design thinking co to jeNettet1. 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 … chucked in at the deep endNettet28. 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 … chuck edmondsonNettet18. jan. 2024 · The Sniper is sitting on a Redline inlet manifold, on a Holden 304 V8, standard engine with Lakes pipes, 700R4 transmission in a 1929 Ford A model … chucked inNettet18. 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. design thinking courses nz