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Do piston rings rotate on the piston? Do piston rings rotate on the piston?
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Old 12-23-2010, 08:37 PM
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Gap increases with wear by the factor of PI. So if you have .040 wear (that'd be pretty incredible from a standard bore - never seen anyting like that still runnin' ) your ring gap would have increased by +/- .120"ish...
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