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Old 08-05-2008, 07:25 PM
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Barnsnake Barnsnake is offline
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Join Date: Nov 2003
Location: Parker County, Tx
Cobra Make, Engine: LoneStar LS427 , 427 Windsor
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It would depend largely on your cam and intake. What is the lowest RPM at which you could pull a hill without "lugging" the motor? If it won't pull safely below 2200, your question is answered. If it will pull stumps at 1800, then go for the .64.
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