Originally Posted by
cameronvalleycu
thanks for the reply. so if i wanna stick to my 70 spur so does it mean i need to reduce or increase the teeth of my pinion? or any recommendation to match wif 105 spur gear thanks.
Smaller pinion to gear down.
The Tamiya 70 is .4 module and the 105 is .6 module, these are incompatible. These are NOT 48 and 64 pitch.