Thread: Maximum overbore on a 289/302 block
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Old 03-03-2005, 11:34 PM
351cuin 351cuin is offline
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Join Date: Mar 2005
Location: Elk Grove, CA
Cobra Make, Engine: Classic Roadster,351w
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Your getting some good advice! From my experience I believe 30 over is your best move. First it will allow you to go to 40 over if you lunch an engine ( hopefully not ) And second less potential for overheating. But I firmly believe that 40 ove is the max.
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