more info for your best guess

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more info for your best guess

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Jerry

Post subject: more info for your best guess

PostPosted: Wed Mar 20, 2002 5:42 pm

58.5 cc head, 27cc above piston, gray felpro 38 thou? thick perma torque head gasket.
What is my compression ratio?
Jerry

roxnjer@aol.com

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Doctor Dodge (Doug Dutra)

Post subject: Re: best guess #2

PostPosted: Wed Mar 20, 2002 8:44 pm

Quote:

: 58.5 cc head, 27cc above piston, gray felpro 38
: thou? thick perma torque head gasket.
: What is my compression ratio?
: Jerry

Most head gaskets are .045, some are .038 and others .020 (steel shim type)
58.5 + 27 + 6 (.038) = 91.5 cc
On a .030 o/s "228" CID that gets you a 7.85 c/r
(If these are actual readings, mill the head or use a Turbo)
DD

A Compression Worksheet example