Originally Posted by yifuqiao

Hey, guys, I changed the spur gear this past weekend. And it was a tamiya part, forgot the part number but it was a 96t 64 p spur gear.
I found I couldn't use shim for this gear at all, while I could put 2 X 0.2mm shim with the spur gear came with the car.
So now, I just attached the e-clips on the end.
It has very tiny tiny play , maybe about 0.05mm or even less, it spins forever though.
I am just curious what you guys solution to this? Did you guys shim it or just did what I did?