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09-26-2001, 11:54 AM
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News Editor
Join Date: Apr 1999
Location: Concord, CA
Posts: 2,101
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Problems adjusting Fuel Pressure
This weekend I tried adjusting my fuel pressure on my Kirban Adjustable Fuel Pressure Regulator. I took the vacuum line off and the FP was set to 48. I can turn the adjustment screw 5 full counter-clockwise rotations and it won't drop a psi. However I can adjust it back to where it was, and turn it 3 times to the right which makes it tight, and the FP goes up to 50psi!
You see my FP was set at 38psi, but then I upgraded my fuel pump and it jumped up to 48! Its way too high and I need to lower it. ------------------ 1994 Mustang Cobra 308ci, Vortech S-trim 11#, ported GT-40 heads, E-303 cam, FMS 1 5/8 headers, BBK Offroad H-pipe, 2-chamber flows, and several other goodies. Rebel Racing. Home of Bay Area Mustangs |
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