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a2tripp · 01-09-2012, 10:11 PM

I just did one on a mopar motor last week, came up 130 psi through all cyl, ended up being the guage. like said above, more than 10% is what your looking for.

01-09-2012, 10:11 PM	#3
a2tripp Registered User Join Date: Aug 2011 Location: Southeast Alaska Posts: 122	Re: 120 good compression? I just did one on a mopar motor last week, came up 130 psi through all cyl, ended up being the guage. like said above, more than 10% is what your looking for. __________________ 89 GMC V3500 Alaska members check in