Advantage of a V8 Torsen rear differential ?

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  • Audi_CQ
    S2Forum Maniac
    • Mar 2004
    • 940
    • Country: Norway

    #31
    Originally posted by Thuppu
    This is what usually happens on track, inner front wheel is spinning the power up in smoke -> now more torque goes to the rear.
    More rearward bias will help yes or you could remove front anti roll bar(maybe need a bit stiffer springs) -> inner wheel stays in contact with ground -> problem solved

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    • Thuppu
      S2Forum Freak
      • Sep 2010
      • 4115
      • Country: Finland

      #32
      Originally posted by Audi_CQ
      More rearward bias will help yes or you could remove front anti roll bar(maybe need a bit stiffer springs) -> inner wheel stays in contact with ground -> problem solved
      Try to remove it from a C4 chassis haha.

      Audi UrS4 Avant 2.5 20vt - twincharged - Project
      Audi 80q B4 Sedan 2.2 20vt - Daily user
      BMW 320d Touring e91 M-Sport - Daily user
      BMW 740iA e38 - Project

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      • Error404
        Super Moderator
        • Mar 2007
        • 19789
        • Country: United Kingdom

        #33
        The front wheels join you in the cabin
        Panthero Coupé quattro 20vt
        Indigo ABY coupé
        Imola B6 S4 Avant

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        • Audi_CQ
          S2Forum Maniac
          • Mar 2004
          • 940
          • Country: Norway

          #34
          Originally posted by Thuppu
          Try to remove it from a C4 chassis haha.
          No problem. Just make a pair of custom "front arms" (use a spare ARB) and mount them where the ARB is fitted. Mounts must be made in the subframe. They must be of the same type as the mount in the std "rear arm"

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          • RichLV
            S2Forum Maniac
            • Mar 2015
            • 872
            • Country: Latvia

            #35
            If it's fitted to EDL equipped UrS6, do EDL pulses interfere or damage it in any way?

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            • A1QSHIP
              S2Forum Maniac
              • Aug 2004
              • 975
              • Country: United States

              #36
              Originally posted by RichLV
              If it's fitted to EDL equipped UrS6, do EDL pulses interfere or damage it in any way?
              I've fitted a V8 Torsen straight over to my North American spec 1995.5 S6. Date of manufacture 9/95. It has EDL standard. If anything, IMHO, the combination of the Torsen and EDL work well together.
              Chris
              Last edited by A1QSHIP; 31 January 2017, 13:56.
              "Nulla tenaci invia est via"

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              • RichLV
                S2Forum Maniac
                • Mar 2015
                • 872
                • Country: Latvia

                #37
                What would be the possible outcome of a fully Torsen equipped car, in regards to driveability? Meaning torsens in back, center & front? We have a local group buy going on, to buy some russian made torsen type diffs which fit both back & front, at a very affordable price. I'm just thinking if it's worth to jump on it, for only the back diff or both back & front. Best part is that even with it, the rear diff retains the hard lock option.

                I'm speaking in context of daily driving & occasional track use.

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                • Bowie69
                  S2Forum Fiend
                  • Nov 2013
                  • 2676
                  • Country: England

                  #38
                  I seem to remember a post on here about that, (having one in the front and centre), and it made the car twitchy and nervous on power. Try a search?

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                  • RichLV
                    S2Forum Maniac
                    • Mar 2015
                    • 872
                    • Country: Latvia

                    #39
                    I did, although on google, not necessarily here. Did not find anything concrete.

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                    • Bowie69
                      S2Forum Fiend
                      • Nov 2013
                      • 2676
                      • Country: England

                      #40
                      Easy find in the end:



                      and



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                      • RichLV
                        S2Forum Maniac
                        • Mar 2015
                        • 872
                        • Country: Latvia

                        #41
                        Thanks!

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                        • kaaperdaja
                          S2Forum Enthusiast
                          • Sep 2003
                          • 143

                          #42
                          I have torsen in front and rear diff. Handling is far better compared to standard open diffs or only rear torsen diff. Powerslides are very predictable and easy to drive when sideways. The best mod for handling for sure.

                          EDL and torsen don't work well together. I have broken rear diff when using EDL because when I launched then EDL braked one rear wheel which was too much for torsen and rear diff was all busted. I removed EDL and now everything works fine. Still don't recommend launching the car with torsen diffs because they brake more easily than open diffs.

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                          • _ShurikeN
                            S2Forum Maniac
                            • Mar 2010
                            • 733
                            • Country: Russian Federation

                            #43
                            Originally posted by kaaperdaja
                            I removed EDL and now everything works fine.
                            Have you left any ABS working or removed ABS and EDL totally?

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                            • RichLV
                              S2Forum Maniac
                              • Mar 2015
                              • 872
                              • Country: Latvia

                              #44
                              Originally posted by kaaperdaja
                              I have torsen in front and rear diff. Handling is far better compared to standard open diffs or only rear torsen diff. Powerslides are very predictable and easy to drive when sideways. The best mod for handling for sure.

                              EDL and torsen don't work well together. I have broken rear diff when using EDL because when I launched then EDL braked one rear wheel which was too much for torsen and rear diff was all busted. I removed EDL and now everything works fine. Still don't recommend launching the car with torsen diffs because they brake more easily than open diffs.
                              A coupe I presume? Wonder how will a C4 handle with this setup. How does it feel when driving daily? People mostly say that it understeers more.

                              Good that I don't have it then.
                              Last edited by RichLV; 2 February 2017, 14:25.

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                              • macspring
                                S2Forum Zealot
                                • Mar 2005
                                • 6371
                                • Home: Ireland Current: Wallis & Futuna

                                #45
                                I thought EDL was only on late model UrS6 C4 cars rather than B4 cars ?




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