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Compression Test

2K views 3 replies 3 participants last post by  stratt134 
#1 ·
Just did a compression test on my 383 stroker, vortec heads. About 500 miles on the motor, I'm not sure if the rings were done correctly.... :pain:

165psi, after about 5 minutes it was down to about 160psi

How does that look? This is my first compression test.

Also, motor was cold, haven't started it in a few days. I didn't know if I was supposed to do the test with the motor warmed up or not.

Thanks,
Sean
 
#2 ·
test

With out knowing more about your engine it's tought to say if that is a good number...

Go back and do all 8 cylinders, with a warm engine and the carb opened...

let us know the results... Don't forget to disable the ignition......


Keith
 
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