Originally Posted by EAMotorsports
Thats what most people think...but it does not actually change the timing of the motor. Anytime you increase timing you increase Amp draw and RPM. When you take brush edge away you are taking away Amp draw and RPM.
What you are really doing is moving the power curve of the motor to a more usable area for most applications.
EA
yes this is very true
you dont take to much off the edge
to be a real timed brush you have to take close to half of the brush away.