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.
Timing, typically TC's are 46* range and 1/12 38* range.
There may be a difference in rotor strength even though they are both 4 line rotors.