Thanks for the input. I have seen vids online where people used rc speed controllers and RC motors in homemade go karts and buggies, I'm currently building a 1/2 scale buggy that I'll get in and drive. I have dual throttle channels on my spektrum DX5R. Each of those channels will have (4) max4 escs and (4) 70125SD 560Kv motors on 12s and (1) BEC. Final gear ratio will be about 33.3:1 because of tire diameter. I know that there are motors and controllers on the market made for this purpose but this way will be much cooler. The Outrunner/car ESC was just a idea that I wanted some knowledge on, so thanks everyone for the replies.