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UrS4 2.2T Avant project

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  • Finally the trans is finished. What a pain, countless of hours. Almost everything had to be done the hard way. Even that the reverse gear was machined down to half it still hitted the first gear when the trans was assembled. So had to mod the "fork" so it keeps the reverse gear away from the first gear.

    Had good experience with the torsen washer mod in my B4 so same mod was needed to be done to this torsen as well.






    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

    Comment


    • Box ready for install...











      The chevy 26 spline input shaft is little beefier than audi.




      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

      Comment


      • That orange and matte black paint combination looks cool What kind of paint did you use?

        Comment


        • Normal "kilikoli"... ratle can paint. I don't except it to last shiny for long under the car.

          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

          Comment


          • Love this thread cause he shows the mechanical work :-)

            Comment


            • What does the washer mod on the Torsen do?
              Greg

              S2Forum.com Administrator & Webmaster

              '93 Coupe with a few tweeks

              Comment


              • More torque to the rear

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                • and to the front, it increases the torque bias ratio so a greater percentage of the torque can be distributed front or rear.
                  Panthero Coupé quattro 20vt
                  Indigo ABY coupé
                  Imola B6 S4 Avant

                  Comment


                  • Seems to work very well, makes the car understeering less and gives the rear to the side a lot easier. This is very well noticed on slippery conditions, on snow and ice. But it seems to have effect on track with semislicks too. My friend uses the same mod and he was very pleased after a day on track.


                    Also decided to go with a little beefier clutch. I have an AP-racing 2-disc, but it is specsed for under 900Nm so it may be on the limit, at least after stage 2. So I got a 3-disc Tilton ~1390Nm. The discs was in new spec, but I couldn't refuse a kit of new discs for the price of one. Good to have spares in stock.






                    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

                    Comment


                    • Stroker timing belt setup with AAN belt and tensioner, and Subaru pulley. Little different from what was planned in the beginning. The orginal waterpump delete flange is changed to a bigger flange...




                      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

                      Comment


                      • Some more proto parts...




                        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

                        Comment


                        • Very nice as usual. Thomas, what is the purpose of holes in cam wheel?

                          Comment


                          • Thanks That wheel hasn't been cutted yet. It will be adjustable...


                            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

                            Comment


                            • Cool
                              I have been thinking about something similar
                              So what dry sump pump will you be using?
                              Panthero Coupé quattro 20vt
                              Indigo ABY coupé
                              Imola B6 S4 Avant

                              Comment


                              • Alex, this will not be any fancy billet aluminium blin bling. Only basic and simpple, not the lightest on the market, but if a kit will be available, it sure will be the cheapest.

                                Pump in this setup will be a Dailey TRD 5-stage nascar pump:


                                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

                                Comment

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