General Boost/vac and fuel pressure question
I just finished installing my boost/vac and fuel pressure gauges on my car. So far so good...I do have a few questions..
What vacuum readings do whipple owners generally get when the car is at idle, mine is reading 20vac at idle. What fuel pressure readings do whipple owners get at idle and at speed. I get around 20-30psi at idle and 60-70 when I get on it. My sensor is spliced into the fuel crossover line between the 2 fuel rails. I just want to make sure everything is reading ok. Thanks! |
RE: General Boost/vac and fuel pressure question
vacuum reads 22 at idle on a warm engine and will hit 25 if I let off the gas at speed. My fuel pressure jumps to 60psi and hits mid 70's towards redline. I'm not sure what the idle pressure should be, but i'd expect it to stay the same and not fluctuate 10psi. I read my fuel pressure from the aeroforce gauge and it will always show 39-40psi except for at WOT.
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RE: General Boost/vac and fuel pressure question
with my autometer ultralites, at idlei show
-23 vac/boost 30psi for fuel pressure (can get to mid 70's WOT) i also have the fuel sender, in the crossover line hey boosted94, what pulley are you using |
RE: General Boost/vac and fuel pressure question
I'm running the 3.375 pulley
thanks for the responses guys |
RE: General Boost/vac and fuel pressure question
same with me. around 19-20vac
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