Compression in PSI

JOESHTRDDSL

JOESHTRDDSL

Nothing Special
Joined
Jul 1, 2008
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What is the standard compression on a CR in PSI. My spread is only 20PSI. I used the search button but could not find what I was looking for.

Thanks, Joe
 
Anything above 400 is good, 450 perfered, anything higher is really good.
 
how much difference it gonna make if we just leave the exhaust rocker off and do a comp test with only the intake valves openin, it aint gonna be too much, if any at all right?
 
My motor is decompressed slightly and found 350 to 375 in all cylinders. Scheids told me around 425 is stock compression
 
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