Originally Posted by
goots
Got some older d4, killshot, 24k motors with tep1112 rotors that I want to refresh. Is the tep1119 and 1120 the way to go? Also what does rotor length do.
Are you wanting to rebuild them to race, or just for kicks? With the upgrades of the newer motors, I don't believe those older ones will be able to keep up. However, the new rotors are the better way to go. A longer roto will provide more torque while shorter rotors will provide a higher RPM.