Thread: My '428' is a 390!
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Old 11-09-2004, 08:12 PM
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Join Date: Oct 2002
Location: Fairfield, CT
Cobra Make, Engine: HM-2027 / 427 SO
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.080 is tough and sonic check is needed for the 390 to a 4.13 bore as some 390's will not take it that far. You can get the 428 crank or a Scat with a bigger stroke and keep the block at .060. Or you can get to the 428 + cu by using a Scat stroker crank. Or just rebuild it and be happy as you were. $$$$$ is the factor and how much you have to play with. JMO, G.
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