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  1. Drivetrain & Performance
    Hi, i have a 327 with the 72cc cylinder heads in my 74 nova and i want to shave them down a bit. engine isn't bored but i wold like to some time maybe probably .30 over. i also want to keep the 327 crank. i don't to shave them down so much that when i bore it. i all have to run race fuel. i...
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