[V8] Torsen question\Re: [s-cars] FS: '93 V8 Quattro

[Kneale Brownson]

Anybody tried switching this system so you could lock the center diff at will?


At 02:20 PM 12/11/2000 -0800, Buchholz, Steven wrote:

> > > 4.2L, 276 HP, 4 spd automatic, dark green, tan leather interior.
> > >        Rear torsen differential, center differential
> > computer controlled.
> > What pray tell is this. Computer controlled center/rear torsen???
> > Some kind of special/aftermarket, new one on me but thats
> > certainly possible.
>
>Yes, long ago, with visions of Porsche 959s dancing in my head, I too
>thought that might provide a means to create a computer controlled torque
>split.  What I found is that the tranny has a computer controlled locking
>device built into the center differential.  The center diff on the V8 is an
>open planetary gear based differential which can be locked a la Gen I
>quattros.  The tranny computer taps into the ABS wheel sensors and
>determines if there is any wheelspin, and locks the center diff if it
>determines that wheelspin is present.  That's all folks!
>
>As reported by others the rear diff on the V8 is a Torsen unit.
>
>HTH!
>Steve Buchholz
>San Jose, CA (USA)
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