Is Poor Man's Compression Check OK

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Jun 11, 2015 | 10:11 AM

mobythevan

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Is Poor Man's Compression Check OK

Is it reasonable to check the compression using a piston engine gauge with the shrader valve removed and then taking slo-mo video of the dial with a cell phone? Has anyone tried it?

Jun 11, 2015 | 10:18 AM

9krpmrx8

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From: San Antonio, Texas

If you just want to know if it is blown or not yes, if you want to get an accurate picture of the health of your engine then no.

Jun 11, 2015 | 12:01 PM

Williard

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The last motor I tested that was tested with an analog tester just prior to me testing it.

Analog=90 psi
Rotary tester=75, 73, 71

Travis

Jun 11, 2015 | 12:08 PM

mobythevan

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OK, I'll keep that in mind.

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