Holley runs rich

Author: iqaf

August undefined, 2024

Nettet31. aug. 2024 · #1 Sniper EFI, running rough & rich? 08-31-2024, 02:22 PM Hello. 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 very rich, I've made a few adjustment from things I've read on this forum, but now I'm stuck. Nettet21. aug. 2024 · If you have a Holley carburetor that is running rich, there are a few things that you can do in order to adjust it. First, check the air bleeds and make sure that they …

Holley sniper efi running rich? exhaust leak? Build a smoke

Nettet16. feb. 2015 · My holley 650 double pumper was calibrated leaner then even my quick fuel 680 vacuum secondary carb was and the holley double pumpers are not set for fuel mileage on the idle circuit. Time and knowledge and fine tuning a idle circuit can bring great results if you know what your doing. Nettet13. des. 2024 · We recommend starting with an .080″ hole in each one. Ignition timing can also play a role in idle speed and quality. Increased valve overlap reduces cylinder pressure, increasing the amount of time it takes to burn the mixture. Photo C: This image shows the holes drilled in the carburetor’s throttle blades. peterborough community theatre nh

Holley 4160 Running Rich at Idle (750 double pumper)

Nettet9. okt. 2024 · Posts: 2631. #2. 10-09-2024, 07:11 AM. Moving the sensor may not have anything to do with rough running. Fuel pressure problems, exhaust leaks at the manifold or the pipe to manifold joint, pinhole leaks at the sensor bung, etc., or a poor tune may be the cause of rich running. Post a Config File downloaded from the Sniper that includes … Nettetposted 01-30-2003 12:09 PM. I have been tuning the 750 HP on the 331 and finally got some positive results. It seems that the HP carb body (Proform is similar) is tuned for big cam low vacuum setups. I was having a little problem with it being too rich and jerky at lower rpms on the 331, so I started playing around with the adjustable idle bleeds. NettetHolley Carb Rich/Lean Adjustment SKIDIM 2.08K subscribers Subscribe 98K views 3 years ago The Discount Inboard Marine team is going to show you how to adjust your … peterborough conservative club

Sniper EFI, running rough & rich? - Holley Performance Products Forums

Mailbag: Leaning-Out a Holley 650 Double Pumper

Nettet11. jan. 2024 · The most common Holley power valve is one that opens at 6.5 ″Hg. This value is low enough to keep the valve closed under mild throttle opening. For example, … Nettet10. des. 2003 · You must do both screws equal number of turns. Start the engine. From this point you can lean it by clockwise turns, or rich by counterclockwise. Again it is … peterborough constituencyNettet29. okt. 2024 · If your engine is running rich and my mixture screws do not have effect: The first thing you need to check is your float level. No fuel should run from the sight … peterborough conington airfield

"Nettet28. jul. 2008 · Morrosso sells a thin aluminum plate that fits between the intake and carb which extends under the Holley float bowls to deflect heat. SETTING the CARBURATOR: You should be able to run that engine between 3/4 to 1 1/4 turns of the Idle air screws off the seat and well below 800 rpm. " - Holley runs rich

Holley runs rich

Found cure for rich idle on my 750 HP - Mustangsandmore Forums

Nettet6. mai 2024 · The previous owner mentioned that it might need a little tuning to make it run better. Later our friend noticed that no amount of idle mixture tuning improved the car’s tendency to run rich. Worse yet, any attempt at leaning the idle mixture only worsened a disagreeable off-idle stumble. Nettet9. jan. 2024 · Runs great, but has rich gas smell and black soot from exhaust. 01-09-2024, 11:06 AM. Rich gas smell and black soot from my exhaust pipes. Black soot on my Garage floor is getting old trying to clean from floor. Have tried everything to eliminate this problem. I figured I would try again to perhaps get a tip from anyone who may be able …

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Nettet6. feb. 2024 · Holley Carb Rich/Lean Adjustment SKIDIM 2.08K subscribers Subscribe 98K views 3 years ago The Discount Inboard Marine team is going to show you how to adjust your Holley … Nettet24. mar. 2024 · The carb runs extremely rich at idle. I can smell it and the spark plugs are dark. In addition the vacuum is super low (7-8 inHg). It should be much higher with this cam. First I thought a vacuum leak. I used a propane torch (unlit), but I didn't see a response from the engine. Even if I hold the torch into the throat of the carb.

Nettet14. aug. 2024 · -Followed Holley's instructions step-by-step also. Running VERY rich. Couldn't get to check IAC or adjust.-Had to keep foot on throttle to about 1500 for a minute or so, until there was enough heat to let it run on it's own. I'll try and provide any missing info that may be needed to aid in this matter. Any and all help is greatly appreciated. Nettet19. des. 2005 · Put a Holley 1850 series carb (600 cfm vac secondaries elec choke, with 64 jets in the primaries). It's running really rich, even with the lean/rich screws turned …

Nettet4. des. 2024 · Based on a 5 year average and a race date of December 4th, Holly, MI can expect temperatures between 29℉ and 36℉ with humidity around 86% and … Nettet6. sep. 2009 · possible blown power valve this will cause excessive wet/rich fuel mixture at idle now to fix this issue check the timing and power valve and if they're okay then i …

Nettet28. mar. 2011 · Joined Mar 11, 2009. 21,014 Posts. #2 · Mar 28, 2011. mainejohn said: I have a street avenger 670 on my 355 sbc. running stinky rich, fuel mixture screws don't seem to make a difference, the idle screws dont really change the vacumm reading much. vacuum at idle is about 8. the carb is a new rebuild. would a power valve thats to high …

Nettet14. feb. 2024 · When a car is running rich, it means the engine is injecting too much fuel and too little air for perfect combustion, a rich air-fuel mixture. This will not only lead to a high fuel consumption bill, but it can … peterborough cosmetic clinicNettet19. mai 2011 · This motor was built, broken-in and dyno'd at the same shop. This weekend he gets it running and it is pig rich at idle. the carb is a vac secondaries holley 750. Its so rich there is a cloud in the garage, and you cant even stand in there while its running with both doors open. peterborough concessionary bus passNettetAbout Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ... peterborough cosmaroma peterborough conservation areaNettet30. sep. 2024 · I rebuilt the Holley and the engine is still running super rich. 350 sbc. ~10:1 compression. Blueprint aluminum heads. Weiand xcellerator low rise intake. Comp 280h (230/230, .480 .480) with 1.6 rockers. 12btdc initial, 34 total non vacuum advance distributor. Carb is set to factory Holley specs. peterborough condos for saleNettet11. jun. 2013 · Holley HP 650 rich idle no matter what i try. Share. 9 posts. Jibirish11321. 4. Jun 11, 2013 #1. Carb is in a northeast dirt crate sportsman. Must run 80541 holley … starfall games mathNettet8. okt. 2024 · 10-09-2024, 07:11 AM Moving the sensor may not have anything to do with rough running. Fuel pressure problems, exhaust leaks at the manifold or the pipe to … starfall games for kids play games