No power
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Staging Lane
Joined: May 2005
Posts: 80
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From: michigan
No power Hey guys I got a few questions for the procharger junkies on the board.. First off I run a sbc w/ F1 procharger 4" pulley. Went for a beat tonite and was only seeing 5# boost at 7000 rpms.. Now Im running a 12 rib setup and the belt is really tight, no signs of slippage.. Can anyone think of why im getting such low boost reading?? The 4" pulley is suppose to put out 18-20lbs boost!! Could it have something to do with my blowoff valve? Im running the ProFlo from procharger.. Also my fuel pressure isnt rising as my boost is increasing?! Im running 1/2 line and A1000 pump w/ aeromotive boost referenced regulator.. Any help greatly appreciated!!
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Joined: Oct 2005
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Fuel regulator needs to be referenced off the hat, and not manifold referenced. Vacuum modulator line may be leaking as those hoses rarely fit very well due to their environment. Look into the end of the bypass valve and ensure the valve flapper fits well. It doesn't have to be air tight, but there should not be a large gap.
Originally Posted by andereck
Fuel regulator needs to be referenced off the hat, and not manifold referenced. Vacuum modulator line may be leaking as those hoses rarely fit very well due to their environment. Look into the end of the bypass valve and ensure the valve flapper fits well. It doesn't have to be air tight, but there should not be a large gap.
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Originally Posted by DJ's99SS
Andereck so your saying the FPR should be referenced at the "inlet" side of the ProCharger, not somewhere after the IC piping/before the TB or intake/brake booster area?
No, I'm saying you need to hook the FPR up to the carb hat.
Thread Starter
Staging Lane
Joined: May 2005
Posts: 80
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From: michigan
Originally Posted by Slowhawk
Hook the vacuum lines off the power brake hookup.Sounds like it is off the wrong port right now which causes the bypass valve to open under pressure.