[s-cars] Installing Torsen diffs and disabling EDL on a 95.5 S6.

[mpollan1 at aim.com]

If anybody is interested in a torsen diff I have one in my basement I picked up ~ 3 years ago and never installed.? IIRC Mr. Bob Pastore sourced it along with one for Igor.? Speaking of Igor, anybody hear from him since he left for?mother Russia?

regards,

Mark


-----Original Message-----
From: LL - NY <larrycleung at gmail.com>
To: David Torrey <davidtorrey2004 at yahoo.com>
Cc: s-car-list at audifans.com
Sent: Mon, 21 Jan 2008 4:25 pm
Subject: Re: [s-cars] Installing Torsen diffs and disabling EDL on a 95.5 S6.



I don't recall an EDL switch on my 95.5 UrS. If you have a '93 100, it
has a locking rear diff (quattro II) and pressing the rear diff switch will
disable the
3 channel (both rear wheels same channel) ABS. Just like my friend's
100CSQA.

In late 95(.5) Quattro III has no mechanical rear diff lock,  4 channel
ABS, and it utilizes the independent rear channels to approximate
a locking rear diff, hence Electronic Differential Lock (EDL). Aside from
the
better braking under stress, EDL sucks. Hence the idea of the Torsen
conversion.

HTH,

LL - NY






On 1/21/08, David Torrey <davidtorrey2004 at yahoo.com> wrote:
>
> The EDL switch and the ABS are integrated.  I am
> currently having a problem with my 1993 100.  At air
> temperatures above freezing the green light in the EDL
> switch located in the console and the ABS light in the
> instrument cluster flash on and off in unison.  As the
> air temperature rises,  the two lights stay on
> continuously and the diff is locked.  I suspect there
> is a resistance change in an electrical component
> somewhere.  It's been too, damn cold to investigate
> further.  I can engage the rear diff with the switch
> when the car is stationary and the diff dis-engages
> properly at about 10 MPH.  The ABS is off light does
> not illuminate when I engage the diff with the switch.
> Puzzling.
>
> Best regards,
> Dave
>
>
>
> --- Ian Duff <iduff at comcast.net> wrote:
>
> > Why can't they just coexist?
> >
> > TORSEN puts torque to wheel that can use it, EDL
> > slows down spinning
> > wheel via ABS sensor/controller/brakes. Go with me
> > here: if you have
> > say the LR wheel on ice, the RR wheel on dry
> > pavement, TORSEN will
> > apportion torque to RR wheel while EDL will put the
> > brakes on the LR
> > wheel. Sure they could compete, but that's assuming
> > fairly equal
> > reaction times, which sounds far-fetched to me.
> >
> > Sounds like the dudes who have already done this
> > upgrade did it solo
> > (TORSEN install) and didn't disable (not even sure
> > you could w/o major
> > brain power) the EDL.
> >
> > Any reason not to just install the TORSEN and let
> > 'er rip?
> >
> > -Ian Duff.
> >
> > On 21 Jan, 2008, at 14:34, Postupack, Jeff wrote:
> >
> > >
> > >
> > > S-hedz :
> > >
> > > I have this 1995.5 S6 with EDL.
> > > I have this V8 Torsen I bought from K. Maddocks
> > >
> > > Come April, I will be working on the suspension in
> > the S6 and want to
> > > install the Torsen diff.
> > >
> > > Question is:  Since the 1995.5 ABS is not aware of
> > the manifold
> > > benefits
> > > of Torsen diff, how can I disable the EDL in the
> > car, once the
> > > Torsen is
> > > installed.?
> > >
> > > Don't think I'll want to EDL the Torsen in low
> > traction situations,
> > > nope, that doesn't make sense.
> > >
> > > I checked the Fred Munro CD Rom, my 5 years of S
> > car list archives and
> > > few other places.
> > >
> > > Can't locate any information about this..
> > >
> > > Any info here would be appreciated.
> > >
> > >
> > > Jeff Posto
> > > _______________________________________________
> > > S-CAR-List mailing list
> > > S-CAR-List at audifans.com
> > >
> > http://www.audifans.com/mailman/listinfo/s-car-list
> >
> > _______________________________________________
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> >
>
>
>
>
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