Originally Posted by
nashrcracer
what is the difference between the 17.5 TC and 12th motors. I noticed the timing settings but when I set them same timing the power numbers were considerable different. I'm just trying to figure out if I can use one or the other in a pinch in the other car.
I think they come with different rotors. 3 line for 1/12 I believe and 4 line for the TC.