I essentially am looking at the same setup. Have a three piece flywheel now, but not Mueller. What kind of clutch have you gone with now or are you sticking with the ACT six puck? I'm thinking of going with that clutch (JWT now). Is it possible that the wear of the face could have been avoided if a different break in was followed or is this a common occurance for ACT six pucks with aftermarket flywheels?