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what comp ratio from 68cc to 58cc heads what comp ratio from 68cc to 58cc heads
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Old 10-19-2007, 06:27 PM
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Default what comp ratio from 68cc to 59cc heads
looking at a 427w with 4" stroke, 4.125 bore, .270 dish piston that makes 8.4-1 with 68cc head. my question is what would this combo make with 59cc heads. thanks.
Last edited by vector1; 10-19-2007 at 07:06 PM..
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Old 10-19-2007, 06:38 PM
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i just calculated 9 to 1 compression with the 59cc heads. anybody know what kind of horsepower to expect with 9 to 1 compression considering afr185 heads and optimum cam?
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Old 10-19-2007, 07:24 PM
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Tyr this page. There are some great calculators here.

http://www.campbellenterprises.com/R...o%20calculator
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