9N compression

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Posted by TRS on May 05, 2023 at 10:35:19 [URL] [DELETE] :

Hello guys!
I'm current fixing up a 1940 9N. Checked the compression and all cylinders were ~ 75 psi. I assume this would indicate a crap gauge and next step would be to try with another gauge? Isn't this supposed to be 90 psi or do I need to heat it all up and then test again? Any insight appreciated. I hope all cylinders didn't all deteriorate equally by some fluke..

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