[torsen] Re: Torsen differential

Pantelis Giamarellos pantg at otenet.gr
Mon Nov 18 16:10:05 EST 2002

One time I had to send my RS2 to the garage (after the rodents have eaten
three out of five injector wires) it was loaded on flatbed truck.

Take care

----- Original Message -----
From: Alan Pritchard <apritchard at seaeye.com>
To: 'Brett Dikeman' <brett at cloud9.net>; <QSHIPQ at aol.com>; <ssgacc at yahoo.com>
Cc: <quattro at audifans.com>; <torsen at audifans.com>
Sent: Monday, November 18, 2002 4:53 PM
Subject: RE: Torsen differential

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> Incidently.... How are you supposed to tow torsen cars????
> -----Original Message-----
> From: Brett Dikeman [mailto:brett at cloud9.net]
> Sent: Sunday, November 17, 2002 9:57 PM
> To: QSHIPQ at aol.com; ssgacc at yahoo.com
> Cc: quattro at audifans.com; torsen at audifans.com
> Subject: Re: Torsen differential
> At 6:29 AM -0500 11/16/02, QSHIPQ at aol.com wrote:
> >You'd have to define 'bulletproof' better IMO.
> No, actually, he really doesn't.  In this case, the concern was
> whether it would present any additional reliability issues over a
> non-torsen equipped vehicle, from an owner's perspective.
> The answer, quite clearly, is "no", as long as the vehicle is not
> towed improperly or placed on a two-wheel dyno.
> The ONLY, and I repeat ONLY cases of failed torsens which I have
> heard about in 7-8 years, have involved:
> -monkeylads putting vehicles on 2-wheel dynos
> -towing with only two wheels off the ground
> -lack of tranny oil or similar problems(improper oil, too-old oil, etc)
> >  I really doubt that a torsen with 150k on it preforms the same as
> >one fresh from the factory.
> Yeah.  I hear engines and transmissions don't show wear and perform
> the same at 150k vs. fresh from the factory.  Same thing for
> bearings, bushings, vacuum lines, hoses, electrical motors...
> Here's a question.  Have you ever:
> -had to replace a customer's torsen diff from wear+tear of daily
> driving?(abuse or neglect does NOT count here.)
> -opened up a used torsen diff and inspected it for wear?(no, since
> they're not user serviceable)
> -placed a used torsen diff on a test rig to see if it performed up to
> factory spec or not?
> Any of the three would represent some sort of evidence.
> >The problem in racing (audi learned this way back), really appears to be
> with
> >any wheel lift or jumping action, then a sudden shock loading of the
> >when it gained traction again.  This appears to hold true
> >rally/track/offroad.
> The problem in road driving(Audi learned this way back) really
> appears to be that it has ABSOLUTELY NOTHING TO DO WITH RACING.
> I'm sure:
> -racing vs day to day driving driver behavior
> -racing clutches vs non-racing clutches
> -racing/rallying suspensions with significantly harder suspension mounts
> -wheels lifting and loosing traction vs. wheels staying on pavement
> not doing much at all
> -sport in which handbrake slides(locking the rear wheels but leaving
> fronts spinning, hmm, no, that wouldn't affect a torsen at all) are
> common, versus day to day driving and even track use at qclub events
> where such things would never happen
> ...has ABSOLUTELY nothing to do with the subject at hand.  But don't
> let any of the above considerations discount the opinion of "Bubba
> The Redneck GM Racer Who Breaks LSDs."
> Am I the only one who wonders why you manage to take a very simple
> question, not answer it, but still manage to blow it out into a two
> page rant full of anecdotal, circumstantial evidence that has little
> bearing on the original question at hand?
>    I sure which you would apply such energy, enthusiasm, and supposed
> expertise into helping.
> Seems like every time I see you post, it's just to nitpick with someone.
> Curious that I hear more complaints about you than any other lister...
> Brett
> --
> ----
> "They that give up essential liberty to obtain temporary
> safety deserve neither liberty nor safety." - Ben Franklin
> http://www.users.cloud9.net/~brett/
> http://www.apple.com/switch/

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