sorry ... can't help .. but count this as bump back to the top
What's the end use of the vehicle going to be? Torsen differentials are wonderful, smooth, long lived units. However, if you completely unload one wheel, they act as an open differential. So, if you're off roading, or the suspension geometry is such that the inside front wheel could be lifted off the ground when accelerating, Torsen isn't your guy.
As to your specific question about using a LSD to help avoid wheel lockup, I'll have to think about that some more.
I know a fellow who autocrossed a very rapid Rabbit. He switched from a torsen to a clutch type. He said it worked much better.
As I understand it if you have 1 wheel unloaded in a torsen differential your back to being an open differential, keep that mind. This is one of the reasons why left foot braking works well with some stock fwd vehicles. Stock means torsen probably 90 percent of the time. Clutch type will always win out in the end but expect "clunking" for a good majority of aftermarket differentials (My experience here is with a Kaaz brand diff.) Someone chime in if im wrong.
You might find this interesting. Its a hybrid of clutch and torsen in a sense. I have one in my car, I like it thus far.
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