On Wed, 11 Feb 2004 15:53:52 -0800, John Opezdol
All 80, 90, 100, A4 and A6 have Quattro with a centre differensial with
50/50 split forward and rear. Older models have possibilty for locking
central diff. (for low speed use). Recent models have Torsen type centre
diff. This will always distribute a minimum torque to the non slipping
pair of wheels (front or rear). The centre diff. will adjust for
different wear of tyres front and rear. Towing with with the front or rear
end lifted of ground can not be performed over distance without uncoupling
the axle to the rear differencial.
Th A3 have the "Golf" system, i.e FW drive with add on RW drive. Slipping
front wheels will generate torque to the rear wheels. More easy to drive
as the car will always act like a front wheel drive, i.e understeer.
Quattro's are described as a bit vague, and can switch from understeer to
oversteer. Not that I would now, as I have never driven other than FW
Audis. Driving on snow or ice, there has ben no need for quattro, neither
in the 80 from 86" or the A6 from 97"
more info can be found at www.audiworld.com
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