[nuz69]

I took this from my personnal experience. In europe we compared different configurations such as tekin buggy 1900kV and CC/neu 2650kV, on track. Both setup geared for the same top speed, the 2650kV ran a little hoter than the 1900kV, and the motors are theoritically capable of handling the same power, ~ 1200Watts.
And its logical, as you said, power is volt x amp, the same acceleration and voltage you have, the same current you will drop and so the same heat, end of story no ?
But it's true I don't have your kind of experience... Just wait someone else to confirm this all kV thing...