[itbvolks]

I'm actually setup running cityblocks right now as well. Light weight and solid tread pattern. I had run bowties for years with good success so it'll be interesting to see how these work.

That being said, your clearly not running a heavy wheel/tire combo so that shouldn't be contributing to the heat issues. 175 is HOT regardless. 130-150 is about right with 160's being the absolute limit I'd be comfortable with. Too many rotor failures to be running them real hot. Plus, as nuz mentioned, your efficiency goes away as the motor heats up.

I gotta believe the 1700kv truggy motor makes more than enough steam to power a ~10lb race truck without significant heat issues. I guess I could see you pulling some serious current running in the grass or something but on the track, I gotta believe the load goes down significantly.

Any idea what your pulling for current? I could see some 150amp spikes causing some heat but like I said, in the dirt..... Going down a tooth or two on the pinion should keep the load on the motor down and thus the current draw (and so the heat). I'm hoping you have luck with your wiring rework. Keep us posted....