had my 1992 bonni 3.8 supergharger rebuilt goes good when cold, plenty of boost. When hot, boost levels go down and looses power, any suggestions? Car has 150,000 kms
92 3.8 supercharged
Nov 30, 2004
2 Replies
I don' t know if it is related, but i had a Grand Am with the quad 4, plenty of pep when cold, when warm is didn't have as much. Same thing with my 2001 Chevy Malibu, cold I have plenty of pep. But warm not as much. Maybe that is the way GM cars run when warm?
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