03-28-2024, 01:24 PM

Tim Corcoran Tim Corcoran is online now

Ultimate Warrior

Join Date: Jan 2000

Location: Willow Spring, North Carolina

Posts: 4,745

Piston wall clearance and Coating skirt

I have a new engine I am putting together and it has Ross/Butler pistons. I have the piston to wall clearance set to .004 per the tech sheet that came with the pistons. Now I am considering having the piston skirts and tops coated. Problem is the thickness of the dry film coating is .001-.0015. This would reduce my clearance by .002 to .003 and I wouldn't have enough clearance after coating. I don't want to have my block honed again so I suppose I should just forget about coating the skirts.

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Tim Corcoran

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