Originally Posted by
Jason Baliban
Great info! Thank you. I am not going to run any classes, really just getting it running again for parking lots. I am trying to choose a motor. I want something reasonably fast for fun, but dont want to tear it apart....it has the composite drive shaft and plastic cups. Do you think 13.5 is too much or should i step it down to 17.5?
jB
You should be fine with a 13.5. Just don't hit stuff. Of course the plastic differentials wear out faster even from normal use. It will really depend on how hard you run it.