Can I Win!!

[GorillaMaxx360]

Originally Posted by BrianG

. For instance, an 8XL, HB Pro diff (3.31:1 version), 4s lipo, and 46T spur on the center diff would give you right around 49mph using a much more manageable 16T pinion. And it would still leave a little room to go up/down a tooth or two on the pinion for fine-tuning..

when you say hb pro diff do mean for the direct middle diff or for the use of the diffs that go to the wheels.