I know what you are saying, but the reason a non-t2 drivetrain will not hold up is do to the oscillation that rotary motors puts out. I researched this about 2 years ago. i think on teamfc3s.org or rx7city.com i dont remember which one. but there are full write ups about the NA drivetrain with pictures of "if" you dont heed the warnings. the diff literally will blow out of the casing