Wayne, I know the rule says max displacement for 2.4 engines is 2.04110 liters (147.15 CID.) What I need to know is if oversized o.e.m. pistons are available. The guy at the machine shop said .020 or .5mm oversize pistons would be the largest oversize that would be legal, but he can't guarantee the cylinders will clean up at .020 He said a lot of cylinders don't clean up even at .030, which wouldn't be legal anyway.
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Last edited by SAC74; 12/4/15 at 10:44 PM.
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