Not sure if this is againt rules etc but, the guy with the metal transmission, what did you use to do it please ?? Iv heard 34t pinion from an xo1 and I think it was 22, but not too sure, I ask as iv just gotten a revo 3.3 and I'm wanting to do the brushless conversion also, but I don't have any idea when it comes to these traxxas etc...any help is really appreciated