Fuel pressure gauge unsteady....
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Joined: Apr 2002
Posts: 3,552
Likes: 5
From: New Jersey
Car: 86 Corvette, 89 IROC, 1999 TA
Engine: 350, 350, LS1
Transmission: 700r4, 700r4, T-56
Axle/Gears: 3.07, 373, 4.10
Fuel pressure gauge unsteady....
I'm running a tpi pump with a mallory 3 port return style regulator and a holley 650. While it doesn't seem to effect running is this normal or is my pump or regulator going south? Basically it never stays at a consistant pressure, it will bounce up and down a few psi regardless of rpm or load...
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Joined: May 2010
Posts: 306
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From: Elm City, NC
Car: 87 IROC Z
Engine: 5.7
Transmission: 700R4
Axle/Gears: 3.27
Re: Fuel pressure gauge unsteady....
I'm not familiar with fp on a carb, however that is normal for tpi. The gauge fluctuates a little. You looking for the average fp.
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