Cold compression test

E-Thirty

E30 Fanatic

Join Date: Aug 2006

Posts: 1331
#1

Cold compression test

11-07-2009, 01:35 PM

I just ran a cold compression test on my m20 and it pretty much read even on all cylinders. What I'm asking is would a cold compression test be able to read a cylinder with worn out piston ring/land? What would the symptoms be?

Originally posted by StereoInstaller1

Do you feel like something is trying to penetrate your butthole?
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jlevie

R3V OG

Join Date: Nov 2006

Posts: 13530
#2

11-07-2009, 05:31 PM

A worn cylinder or bad rings would show up as significantly lower compression than the other cylinders, whether hot or cold.

The car makes it possible, but the driver makes it happen.
Jim Levie, Huntsville, AL
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E-Thirty

E30 Fanatic

Join Date: Aug 2006

Posts: 1331
#3

11-07-2009, 07:03 PM

Appreciate the input.

Originally posted by StereoInstaller1

Do you feel like something is trying to penetrate your butthole?
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