ChitownRC

i wanna put a big powerful motor in my revo. wats the biggest i can get. would i have to get a conversion kit for it. if so wat kind and where can i get it

A mach .28 would drop in with the traxxas BB kit. Otherwise a Novarossi 528 but you have to modify the motor mounts for that one along with using the traxxas BB kit.

Just get the 3.3. Plenty of power to get you whereever you want to go. But hey, it's up to you.