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9.5:1 Compression ratio

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Don Berger
Member
Username: bergerdon

Post Number: 4
Registered: 03-2009
Posted on Sunday, April 19, 2009 - 11:46 pm:   Edit Post Delete Post View Post/Check IP

With a compression gage, how many pounds should it be for the 327 cui engine?
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Cal Martell
Advanced Member
Username: cal

Post Number: 144
Registered: 02-2004


Posted on Monday, April 20, 2009 - 07:03 am:   Edit Post Delete Post View Post/Check IP

What engine, Chevy or Graymarine (AMC)
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Cal Martell
Advanced Member
Username: cal

Post Number: 145
Registered: 02-2004


Posted on Monday, April 20, 2009 - 07:12 am:   Edit Post Delete Post View Post/Check IP

Here is a link to an excellent article on compression testing. Hope it helps. If the engine is old and the compression is fairly even in all eight cylinders above 100 psi I would say it's ok to run.
http://www.gregsengine.com/compress.htm

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