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re: U/S Torsen



On Mon, 8 Jan 1996, Dave Eaton wrote:

> having experienced both the manual locker and the torsen, in my mind there is no question that the torsen is a better option for normal use.  if you want to emulate a tractor in the mud, then a manual locking diff would be a better bet.
> the torsen really excells when you are driving fast and encounter a low traction situation.  the torsen senses (no pun intended) this and compensates *extremely* quickly.  in extremis you have an instaneous 75% of torque switched to the axle with the most traction.  in the same situation with the manual locker, if you're not locked, you're in trouble - if you are then you're running with only 50% of the torque.
> in my ur-quattro, i found that to avoid this situation when driving fast, i'd always lock the diff.  as a result the car lost some feel for the road, and understeered more etc. etc.

Well put. Performance driving is best with Torsens... however, sheer 
'unstuckability' (Like there's such a word) Locking diffs (ala 4k, TQC) 
are king.

Bob


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