Thread: 427 Piston to Wall clearance
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Old 04-04-2004, 08:22 AM
Don McClelland Don McClelland is offline
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Default 427 Piston to Wall clearance
I just purchased a 427 SO that has standard bores that were honed when the engine was rebuilt. This engine has all stock parts including Ford forged pistons. The piston to wall gap on six of the cylinders is .0066 but on two of the cylinders it is .0074. Is .0074 excessive or is this engine usable as is? The rebuild was just done and all of the other tolerances are well within spec.

Thanks for your input.

Don
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