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RE: FW: Bites of dead horses, last post for me
>> Is this the reason for Audi going on to the haldex system and
>> its computer control - the unpredictable nature of the torsen
>> when at the limits of performance?
> There are two reasons:
> a) Torsens are expensive mechanical devices. Failure in the
> field means replacement - they cannot be rebuilt except by the
> b) Many aspects of vehicle performance are now electronically
> controlled. An electronic device can be integrated much more
Umm, I thought the whole Haldex thing was just a way to put
"quattro" (synchro, really) in the smaller cars that won't take
longitudinal engines--an evolution of the VC synchro system
essentially. The Torsen is still alive and well, but I've been
wondering if Audi will ever evolve EDL into a cross-axle system.
It seems to me the major costs would be in the development of
the software. Three open diffs and a few more chips would be
very cost effective, methinks.
'90 CQ 20V - my 'racing-iron' ;^)