Originally Posted by
wfdfiremedic
Yes, there are those that do it. I have no idea as to what pinion they run, but I have seen guys that run that combo at the track. I would start with a 14 pinion and see what happens. The rtr is a 3500 kv motor just like the trx....(14 stock). See if it can turn that pinion. It isn't super fast, but it does do the job.
Personally I go by "slow is fast" so less power = consistency and faster lap times.