How much compression

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grahamcamm
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How much compression

Post by grahamcamm »

What is an average healthy cylinder compression? I've tested my silver century and I'm averaging around 65 psi. Is this average, above or below? Thanks
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RAY SWANN
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Re: How much compression

Post by RAY SWANN »

65psi is about right.
My century has this compression(even with new rings)and runs/starts fine.
Ray
SOME DO, SOME DONT,THOSE WHO DONT, DO A BIT
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billyboy
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Re: How much compression

Post by billyboy »

above average i would say ...... they were supposed to be about 60 psi new according to one manual that i have
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