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1979 Chevrolet Chevette
I am doing a compression test and was wondering what is the compression supposed to be (range) for a 1979 chevy chevette? 4 cylinder
Tuesday, November 29th, 2011 AT 11:30 PM
Actually anything above 90psi. Normally anywhere from 125-140 psi. But if there is a varianceof 20% on any cylinder you have something wrong, like a valve burnt or something similar.
Tuesday, November 29th, 2011 AT 11:39 PM
So how about 145 or 155? Too high?
Wednesday, November 30th, 2011 AT 12:16 AM
No that's good. As long as it's not like 145 on one cylinder and 90 on another.
Wednesday, November 30th, 2011 AT 1:04 AM
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