Bob,
You must have the screws swapped front to rear. The rear screws are 40mm(1.5") long. The fronts are only 16mm and won't reach the threads in the front half of the gearbox.
I see you're in Santa Clara, you can buy me a beer for lunch.

Where are you going to run it?
Chris
Originally Posted by
bob256
sorry , i posted it to your public profile, i cant post videos yet on this forum