I put 13,000 on a clutch / pressure plate with thousands of burn outs, well maybe hundreds. I spin my tires in first, second and third gear. I do a few burn outs everytime I drive, just ask my buddies. Last winter when I pulled my motor, I check the clutch, plate and flywheel. Some wear on the clutch plate but no wear or signs of abuse on the anything else. I did replace the McLeod plate because I did a little motor work and plan on more tire abuse.
I have pics. We think the tires take most of the abuse not the clutch / flywheel.
Dwight