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Old 2018.01.17, 03:47 PM   #12
joeR6
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Join Date: Sep 2017
Posts: 10
I got the ball-diff (part# MBW028) installed after breaking the stock one on the rear.
The ball diff came with 3 sets of shim plates and I installed the ones recommend by the instructions. You can also adjust the ball diff to be tighter or looser using a screwdriver. The instructions say to tighten it so that when you rotate one wheel the opposite wheel rotates freely in the opposite direction and I did just that.

Honestly I can't tell the difference.
I have 2 mini-z buggies, one with the ball diff and one still on the stock diff. I drove them back to back and I don't really see any benefit other than the ball diff seems to rotate smoother when you move the wheels by hand. My goal is to get a bit of LSD (limited slip diff) effect so that the rear end will rotate easier when the throttle is applied, kind of like oversteer.

Perhaps i'll play with the adjustments to see if I can get that desired effect.

BTW I have the larger 15T pinion and xspeed motor installed on both and they are much faster!
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