Originally Posted by Cain

A lot of the benefits you will see on a 550 will depend on the rotor you are using as well. From what I recall, it was popular for the motors to originally come with a 12.3 sized rotor. The Reedy uses a 12.5 sized rotor which gives it a bit more torque.

540 sized 4 poles however make more initial torque than the 550s in general. So on tighter tracks where you need quick response, they will work better if you can put the power down. Assuming that just because a motor is more torquey than a 550 does not equate to wheel spin automatically.

If that was the case, we wouldn't see guys in a variety of classes liking higher torque rotors.

And as has been mentioned, you can tune the punch levels via software. Speed Passions DRRS or whatever its call option does just that and Tekin has those features too.

But, I would suggest for anyone questioning, ask around your local track what people are using and see if you can try their setups for a few laps and come to your own conclusions.