Originally Posted by
8up-racing
If you really want some rip with your TC4 try a 66t 64 pitch and a 45 through 50t pinion.Tats what we used to run blacktop and carpet.And that will work great with a 27 or 19 turn.If you want mre run time try a 72t 48pitch with a 35 pinion.Hope this helps.
35t seems pretty big, the standard rtr comes with a 17t motor and a 23t pinion with the standard 72t spur