Originally Posted by
Slash Cash
I'm new to rc racing, i have a slash and was wondering weather i sould put in a 22 tooth Pinion gear or a 23 my unkle says a 22 tooth is the best way to go 
but just making shure.
Use the pinion w/ the fastest lap times. If there's no difference in lap times then go w/ the smaller pinion (less teeth). It will be easier to drive.