Thanks @BurningRain and @Caretaker109. I was going to ask about the gearing difference as I'm not smart enough to know if that would make a gearing difference. I'm sure they have it geared a certain way as it's the nitro version of the wheelie king. It even has plastic front tires to reduce the...
I haven't seen the truck in person, I'll have him take a look and see if he thinks that will work for him. I'm going to have him check for a slipper clutch and tighten that if need be, and set his mesh correctly. Thanks for the response.
I have a friend who has the HPI monster king (Nitro version of the wheelie king). He keeps shredding the plastic spur gear that came with it (HPI 85625). He's looking for a metal one so he doesn't have to replace this thing every few runs. Any suggestions? I see the HPI firestorm also uses a 53t...