Originally Posted by FHM101
Given the MI and MIST share the same center diff, both have the same center drive ratio. If they have different final drive ratios then the difference has to be in the diffs. I don't doubt the ring and pinion sets on the MI and MIST have the same tooth count, but what about the internal gears? If both cars have the same center ratio and the same ring/pinion tooth count, the difference has to be in the internal gears, otherwise they would have the same final drive ratio and the truck with it's larger tires would be slow as christmas.