Originally Posted by oceanhighz

just to clarify part of the motor rule..... I know the rule states this:
"ROAR approved 21.5 + 2s lipo batteries No tuning rotors, must use OEM rotor 12.3-12.5mm"

Does that mean we can use any tuned motor from one of the several tuners to we all know are good (EA, Tag, Fantom etc)? Am I misunderstanding the rule or are these legal? I've seen fully tuned motors and what they can do on the track compared to one straight off the shelf.... just looking to clarify for my understanding.