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Old 08-09-2023, 05:57 PM
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Stan Weiss Stan Weiss is offline
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Quote:
Originally Posted by Stan Weiss View Post
4.12" bore, 3.75" stroke, 6.625" rod, 8.0:1 CR, 270 intake duration 109 ICL (26/64), should at sea level should produce about 148 psi cranking compression.

Stan
Quote:
Originally Posted by slowbird View Post
Based on the cam he has and the fact he states engine has 8:1 compression, just how much cranking compression you guys think he should have? The cylinders he has test showed 140-150 according to him, and he states idle vacuum is 15".
Brian,
That is from page 2. I don't believe his problem is cam phasing.

Stan

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