I have a holley 4160, single inlet, 600cfm, non double pumper with electric choke. Anyway, 1 of my float bowls is set fine, the other is way off. I take the site plug screw off and gas jes leaks like a faucet. Im gonna get some clear site plugs to remedy that. But my question is how does this affect the engine...with 1 bowl being un-tuned like that.
Also it sounds like my carb is desperately trying to suck for air, you can hear it going ..sssssss. Its not coming from the vacuum lines either. The vacuum lines are new, its only 3 of em and plus i can hear it coming directly from the butterflies. The only way to open em up more is the idle adjustment screw, but that raises the RPM as well. Any help would be great. Thx
Additional info, 85 Monte Carlo SS, no computer, 350 engine, mild cam, 2.5 dual exhaust, long tube headers, performance distributor w/super cap
its the rear bowl thats not tuned.
the air sound is the rush of air over the airhorn and venturris. its kinda normal. is it the front bowl or the rear for 1?cause it can really hurt performance and gas mileage, not to mention washing the cylinders in gas, cutting the lube film,causing premature wear.okay if memory serves me, the adjustment is the big screw on top of the bowl with the locknut.now i dont remember which direction to go, but i remember a lil something, and im thinkinggeez i cant remember. if you got time, ask holley they will help, helped me with a motorcraft 4180 holley.
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