DodgeForum.com - Compression test

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RUDY26S

10-27-2017 08:22 PM

Compression test

hello
we are doing compression test on dodge viper brand new engine zb1 and what i was reading standard psi is between 150-170
our engine is reading 240-290 psi on cold engine
anybody has any idea why?
please email me suggestions to rsyslo@partscnc.com

jkeaton

10-30-2017 12:43 PM

Bad gauge?

RUDY26S

10-30-2017 01:22 PM

we tried on different engine and readings were right
it looks like it has high compression pistons

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