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400 sbc hardblock

  1. Drivetrain & Performance
    I just picked up a 400sbc, got it checked out machinest says block is fine and needs to be bored 40 over. anyone do the partial HARDBLOCK? I PLAN ON MOSTLY STREET DRIVING. BUT I WANT TO PUSH IT TO ITS LIMITS AND NOT HAVE TO WORRY ABOUT THE BLOCK CRACKING. I PLAN ON A FORGED BOTTOM END ALSO. LET...