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[SO•Audiojack]

(2017-04-20 03:33)Blade3562 Wrote:  Curious how that little box works stephen. I know HPA offers a controller for VW/Audis, but since all the diffs are electronically controlled it's pretty easy to see how they do it, but aren't yours mechanical?

There's an electromagnetic clutch beside the mechanical one in the center diff, used for controlling the torque distribution. It's actually a pretty complicated system.