I do not know if anyone has caught this or not, but if you go visit the Mega motors website and look at model # (ACn Car8) which is the square blue finned motor. In the specs section they have suggested setups from testing criteria with 21volts & 22volts for the MMM at 40amps geared with a 14t pinion, at 29,000RPM's.

So they must know something that we do not.