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Duffy1 · 03-26-2014, 09:01 PM

How much compression should a model B engine with a C head and 60 over have ? I ran a compression check with two different gauges.

1) New gauge made in China 61 psi
2) 50 year old sears gauge 85 psi

Your respnose is appreciated.

03-26-2014, 09:01 PM	#1
Duffy1 Senior Member Join Date: May 2012 Location: Mo. City , Texas Posts: 725	Model B Compression How much compression should a model B engine with a C head and 60 over have ? I ran a compression check with two different gauges. 1) New gauge made in China 61 psi 2) 50 year old sears gauge 85 psi Your respnose is appreciated.