I know that surface temps of turbine housings drops 400 to 500 F when you ceramic coat the turbine housings, i verified it myself with a IR gun and have before and after readings. I also got EGT readings before and after. In other words i have data to back up what i just said.
Mitch might be a nice guy however i never see any REAL data to back up what he says. Same goes for the oil pump porting which supposedly increases flow but there is no before and after measurement.
I would have no issue with any of this but need numbers to back up the story. "Take these vitamins because they are good for you" does not really work for me.