Just picked my first 22-4 2.0 and I’m pretty excited. Yes it looks complicated, however super high quality and well thought out. I’m leaving my Sworkz 1/10 4x4 for a bunch of reasons, but I love how active the community is here with people like Frank Root being so helpful. Very happy to join the crew.

I do have a few questions however.

1). The manual calls out for a 27 tooth pinion for a 13.5 if I recall correctly. I’m going to run a Tekin Gen 3 13.5 and I hear it wants to rev. Should I try going down to a 26 tooth?? I have a medium indoor clay track.

2). The rear wheels have lots of “in and out” play like there should be a shim or spacer between the outer bearing and the stub axle cross pin to take up some of the play? The 22 4.0 arm mod says to add a 1mm spacer, anyone have a part number or any direction?

Mark