Originally Posted by JLock
I don't have a MTX-4 yet but seriously contemplating on getting one for next season. One question, could you use the MTX-3 clutch bell with the 0.8 pitch gears in place of the MTX-4 clutchbell?
No the gear ratio will be to low on your roll out. The new bell uses smaller bearings and uses smaller tooth pinions. I don't think that the engine slots will even let you move it far enough forward. The diffs are smaller in diameter so they have a fewer amount of teeth and because of this you run less teeth on the pinions to get the same roll out.