Got everything back from the machine shop.


Had the Diamond Pistons coated by Calico

CT-2 Thermal Barrier Coating - Piston tops

CT-3 Dry Film Lubricating Coating - Piston Skirts


Bearings are also coated by Calico

CT-1 Dry Film Lubricating Coating - Bearings



Mic the pistons and check piston/cylinder clearance.

The piston manufacturer (Diamonds, in this instance) specifies precisely where you are to measure piston diameter, and also the required piston/cylinder clearance.



Here we are measuring .850 down from the oil ring on the skirt, 90 degrees from the pin:





All 8 pistons came in at 4.058






.0055, just what Diamond specified