More Speed!

[neweuser]

And that's the problem sjcrss, when i gear it to the speed i want, my 9920 gets too hot. when i gear it down a few teeth, my temps are good, but i have too much torque and not the speed i want....so my thinking was, if i got a btter controller, i could use the 10xl for the speed i want and gear the way i want, just need to watch the motor temps. the motor on the 20T was a tad hot, but the controller was woohoo hot...even with a fan on it!
Any other ideas guys how i can obtain my speeds?