Hot Rod Forum : Hotrodders Bulletin Board - View Single Post - Cylinder diameter VS. piston diameter
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Old 01-28-2010, 04:01 PM
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What you have is most likely a 30 over 350. The pistons are generally a few thousandths smaller than the bore. The rings maintain the seal between the cylinder and piston. Most oversized pistons are stamped with the size.
I would take the block to a machine shop and have them check it. .010 difference between cylinders seems like way to much of a difference.
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