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Old 01-23-2010, 01:17 PM
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A 28" tire has an actual loaded effective diameter of about 26.3" so you'd be turning a hair over 1900 assuming no converter slippage and there would be some. After reading your cam specs you may want to consider a little lower gear like a 3.08 or 3.23. Even in a 460 that might be a little "iffy" with 2.75's, not saying it wouldn't work but it does change the equation a bit.
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