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Old 08-26-2002, 01:15 AM
Ranman65GTO Ranman65GTO is offline
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re: High Performance Pontiac-October issue.
Could someone please explain to me how Jim Taylor calculates the CR of a .060 over 389 with flat pistons (aver. .020 below deck) and 66cc heads as being 9.35:1 ??? Am I missing something here?

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Old 08-26-2002, 01:15 AM
Ranman65GTO Ranman65GTO is offline
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re: High Performance Pontiac-October issue.
Could someone please explain to me how Jim Taylor calculates the CR of a .060 over 389 with flat pistons (aver. .020 below deck) and 66cc heads as being 9.35:1 ??? Am I missing something here?

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Old 08-26-2002, 01:50 PM
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David Holmberg David Holmberg is offline
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I came up with roughly 10.5 with normal valve relief's, .020 deck, ect... Humm. Could be a typo...

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Old 08-26-2002, 07:13 PM
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Half-Inch Stud Half-Inch Stud is offline
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really thick headgaskets?

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