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PC/SR · 01-07-2018, 12:47 PM

The numbers look pretty normal to me, except the 102 on #4 cold. That's odd. Would retest. Leak down test should confirm it or not. I do not think a 6:1 head would generate 102 psi.

01-07-2018, 12:47 PM	#7
PC/SR Senior Member Join Date: May 2010 Location: Santa Rosa, CA Posts: 1,278	Re: Interpreting Compression Test Results The numbers look pretty normal to me, except the 102 on #4 cold. That's odd. Would retest. Leak down test should confirm it or not. I do not think a 6:1 head would generate 102 psi.