thanks Hard Jokur
and for anyone else who is looking for the same info here a quick one
21 What new parts from the TC4 will fit on my TC3?
Chassis braces, steering knuckles, rear hub carriers, shock towers, shafts, drive cups.
and from other answers
drive shafts CVD's, bearings, center drive shaft, shocks and springs.
also what are the steering knuckles? i thought they were the hub carriers?