I've been tooling around my back yard.
It needs a little more clearance, up front. The Torsen is fantastic! used it to run some of my smaller rock climbs and hills with the only noticeable slippage being when I actually stopped on one hill, ebrake on=slid backwards.
I high centered it twice, used the chin guard once and repainted my frame, once... I think 1.5-2 inches lift up front with maybe an inch more droop and ~ 2" larger tires and I'll be ready for the tougher trails. Approach angle isn't terrible, breakover is bad but will be much better with some lift/tire love
The stock Grabbers are impressive for traction and on road manners but they aren't going off road anywhere I can't walk to from my garage and other tires..