what?
all of the 180 and 225 motors have forged internals… you’re incorrect.
beyond that TT 225’s have dual exhaust and dual intercoolers… different programming (naturally) and lower compression… the 225 rods are physically thicker so ‘better’ but both are forged… so don’t be misinformed.
http://forums.motivemag.com/zerothread?id=3443644
this link helps for info pertaining to tt’s.