In a message dated 97-12-01 12:18:17 EST, vw4x4@FYI.NET writes:

<< I don't no why VW didn't offer this as an option. limited slip axles
     will get you traction to both rear wheels >>

"Limited Slip" differentials should be called "Limited Traction".  They are
not NEARLY as effective at assuring power to both wheels as a LOCKING
differential is.  This is why VW didn't use a limited slip.  They're fine
when you have nearly decent traction at both wheels , perhaps like a wet
street.  This is why "hot rods" or other street machines use them.  I'd like
a limited slip in a Passat or Golf.  If you're on ice or off-road, they're
simply not sufficient.  If you lift one wheel off road, the limited slip will
allow it to spin and you'll be stuck!  No semi-serious off-roader will bother
with a limited slip.  I'm glad VW didn't either.

Regards,
Jim Davis