That seems like alot of clearance to me as far as Wiseco, JE, CP, Diamond pistons etc. the clearance is built into the skirts and I have found them to be with in .0005 of what is the required bore size. Having the skirts coated will help.
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We are WD on AFR, Dart, Wiseco, JE, CP, Crower, Manley, CARRILLO, Callies, King's Crankshaft. COMP CAMS, Diamond pistons ETC.
CARL HINKSON 207-892-7215