Piston coatings

[Z3_GoCar]

I think I've brought this up in another thread, so it'd be hard to find. I think it was Jeff Young who expressed the opinion that if the OEM pistons were coated, then the only equvalient pistons would also be coated.... My OE pistons were coated, and I'm running non-coated CP forged pistons....

[Streetwise guy]

Its actually easy to find a coated direct replacement piston. Every Sealed Power piston I've seen lately, forged or not, has a coating on the skirts, which would eliminate one of the largest aftermarket manufacturers from the game.

That is a fairly limited sample size, though. The pistons I see, strangley enough, are for engines that have trouble with piston shrinkage and rattles. The good ones I seldom take apart.

[tnord]

why wouldn't this be like the RR shock issue where you can run the OEM ones, but if you replace them they can't be coated?