Originally Posted by Snipin_Willy

123-126F is luke warm on a motor. My truggy is pushing 175 after 20 min mains of conservative driving. And I'm running a 1515 2.5D tekno neu. Ambient air temps were quite high though as well as humidity levels.

3s on a 2700kv motor is enough to race with. It pulls more amps than a lower KV motor on higher cell count, but that's where it's getting the power from. Until you're seeing upwards of what I'm experiencing, I wouldn't go to 4s unless you had a lower KV motor.