bore
Bored by a reputable pontiac engine builder but it appears to be 4.152-4.1525 checking with a mic on the pistons and a dial bore gauge I can only get .002 to .0025 clearance. Was bored and honed with a torque plate. Looks like another 3 hour trip each way to the machine shop to get right. I wish I had the money to buy my own machine equipment. Thanks, Paul.
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