Originally Posted by
Solara
The CORE position from the rotor for 3.5T - 8.5T (Mod motor) is different then the one for 9.5 - 21.5 (stock motor).
You use a 3.5T - 8.5T rotor on a stock motor you have to repositioning the rotor (shims) and the result is horrible........and there is no reason to use a stock rotor on a MOD motor at the beginning.
Would the reverse apply; would using a stock rotor in a mod motor yield any advantage?
(I am sorry if these might be silly questions, I just want to learn how Speed Passion stuff works togeather)