To those who may be able to help out, these are standard 48 pitch spur gears, NOT Tamiya spur gears. They are made by Precision, Du-Bro, Kimbrough, Duratrax, etc. Fit all pan cars, most sedan cars, older RC-10 cars without a slipper, etc. In other words, plain old SPUR GEARS.
I've never lost.
I've just been a little bit behind when time ran out...
RED DOT MOTORS- Fastest Titan 12T and silver can 540 motors in the known galaxy!