Originally Posted by
Jim Hustins
Ok. So I still need some help. I ordered a 74t 64p spur and to get the FDR I want, the motor will not move enough to touch the pinion to the spur. Can someone post what they are using for a spur and pinion for a 25.5 motor to get a FDR of about 3.6. I would rather use 64p gears. Thanks.
88/48 I have drilled out holes in motor plate to push motor back further to use smaller spurs. I am using a 80t spur. The only way to use 70ish spurs is if you are wanting a lower fdr. Then you would be using you 50plus tooth pinions.