Boring a 302 to use stock pistons - The Supercar Registry

04-08-2009, 04:29 AM

PxTx

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Location: Glenside, PA 19038

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Re: Boring a 302 to use stock pistons

You want a straight bore. If there is too much taper, the rings will won't last. Motors that have spent an abover average amount of time in the upper R's tend to have more cylinder wall taper.

There will be no definitive answer. A forged piston will expand more than a cast one. How do you plan on using the motor?

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