Tom,

you may not need to turn up the timing. I actually turned the timing down on my money motor from 24 to 12 degrees. I did this to save on brush life, heat and get more torque out of the motor. I also have it under geared 1 tooth. All you really need to worry about is getting over the big jump. The rest is smooth driving.

I think the money motor actually made me .5 secs faster because now the throttle is not as touchy with all the turns.