Lehner 1930 for Traxxas Jato?

Ok, Thanks.
They won't run hot only running 11.1V ?
I don't really want to go any larger in Volts as i am tyring to use some of the gear that i already have.

I also take it that a lehner 1930/6 has less torque than say a lehner 1930/8 but the 1930/6 has more rpm.

If this is correct, would the Lehner 1930/6 on 11.1V still have more torque than a mamba Max 5700 on 11.1V ?