Ryda85 Posted November 5, 2009 Report Share Posted November 5, 2009 Hey guys, decided to grab a brand new craftsman compression gauge. hooked up the 14mm long adapter (matched the plug length) and kicked it cold with the throttle wide open about 7-8 times. results were about 220psi on each cylinder. now from reading everyone elses this seems really high. build includes +4 timing, 4mill passion 12 port motor w/ spacer, 19cc domes on straight c12. what do you guys think? Quote Link to comment Share on other sites More sharing options...
blowit Posted November 5, 2009 Report Share Posted November 5, 2009 Hey guys, decided to grab a brand new craftsman compression gauge. hooked up the 14mm long adapter (matched the plug length) and kicked it cold with the throttle wide open about 7-8 times. results were about 220psi on each cylinder. now from reading everyone elses this seems really high. build includes +4 timing, 4mill passion 12 port motor w/ spacer, 19cc domes on straight c12. what do you guys think? Does it run good?? Quote Link to comment Share on other sites More sharing options...
captainhowdie Posted November 5, 2009 Report Share Posted November 5, 2009 I had the same setup 4mill passion 12 port with 19cc domes @ sea level mine had 190lbs Quote Link to comment Share on other sites More sharing options...
blowit Posted November 5, 2009 Report Share Posted November 5, 2009 I had the same setup 4mill passion 12 port with 19cc domes @ sea level mine had 190lbs Porting can cause a variance in pumping compression. Quote Link to comment Share on other sites More sharing options...
AKheathen Posted November 6, 2009 Report Share Posted November 6, 2009 just curious, but what's your squish? Quote Link to comment Share on other sites More sharing options...
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