Originally Posted by
IRM616
I'm currently pushing 62/14, 4000kv, diff v2, and 6 pins. I'm going to a large outdoor track and was looking to drop my 4600 and was looking for a safe pinion to start and so tips. My truck has never touched dirty strictly clay.
Stay where you are at , i run 14/60 with the 4600. 15/60 with boost on the 4000.