supercharger problems? - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 03-24-2003, 03:57 PM   #1
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Default supercharger problems?

My supercharger when I really get down on it will only hit about 7 or 8 is this normal I have people talkig about how theres hit 10 all the time. Please help.
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Old 03-24-2003, 07:56 PM   #2
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The PSI that it hits really depends on outside conditions. If the air is warmer outside you can expect a lower boost reading, somewhere around 7-8. If if is well below freezing outside you can expect to hit the 10 PSI range. There are also other slight factors such as humidity, air preassure, etc ... that may also affect it to some degree (even if it is only ever so slightly).

I usually don't hit 10 PSI myself unless it is below freezing out and I am heavy on the throttle.
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Old 03-25-2003, 01:46 PM   #3
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Mine buries to 9-10 psi ALL the time
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