Uprgaded pulley and ...
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From: santa barbara,ca
Car: 1990 iroc z
Engine: LSX 376 F1A
Transmission: 4l60e
Axle/Gears: 12 bolt 3.42
Uprgaded pulley and ...
i upgraded my 4.00 pulley to a 3.55 pulley on my d1sc blower and before i was running about 3.5 psi of boost now i am only about 1psi of boost. Anyone know why i am running less boost instead of more boost?
Last edited by 90-irocdx3; Dec 28, 2007 at 08:23 PM. Reason: spelling
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From: Baltimore, MD
Car: 09 Cobalt SS Sedan. 92 Z28 vert
Engine: 2.0T EFR6758; 5.0TT T3/T4 8psi
Transmission: F40; 700r4
Axle/Gears: 3.76 LSD; 3.23 posi
Re: Uprgaded pulley and ...
belt slipping? boost leak? bypass valve malfunction?
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