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Hi,

Im putting together a stock 440 and im using KB forged pistons on it. I decided to go with a looser sidewall clearance because I do intend to drag race it every now and then, but it will also be used on the street.

I went with ,0070"

Will this cause premature wear, or is it only that it will be noisy on startup but wear is not really an issue?


Too loose for the street for me
Check KB's installation instructions: KB Piston Installation

john



Well, its within spec for drag gasoline. just middle ground at 0,0070". Maybe too loose because it will need a bit to warm out and stop slap, but it is within spec.....right?

D