actually by the time i was 14 i was building 2stroke engines myself. i was raised my a master gm tech that also loved dirtbikes, 3wheelers, quads etc. i was building and updating 700r4's when i was 16. call me lucky, or arrogant, or even a idiot, but seems to me i know when my topend is bad, or my bottom end........ lmao am i really arguing with a pup?