my twincharged project

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

    #61
    Originally posted by jogi730
    I was contemplating installing a SC to eliminate lag during last build, but tuner said it was difficult to design EM (yes exhaust manifold) to divert exhaust gases at any given RPM. Maybe I got it wrong with my complete lack of technical ability
    Maybe he was meaning twin/compound charging with two turbo chargers..?

    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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    • quattro-nick
      S2Forum Extremist
      • Sep 2012
      • 1746
      • Country: Belgium

      #62
      possible
      audi coupe quattro b2 2.2 20vt project (573hp-626nm)
      TWINCHARGED power,zero lag
      AEM W/M injection

      Comment

      • jogi730
        S2Forum Fiend
        • Jun 2004
        • 2335
        • Country: United Kingdom

        #63
        Originally posted by Thuppu
        Maybe he was meaning twin/compound charging with two turbo chargers..?
        No it was definitely SC, because there was talk about trying to get screw driven instead of belt driven. Must have got my wires crossed somewhere though
        Audi 90 quattro (Typ 85)
        20v turbo conversion

        sigpic

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        • quattro-nick
          S2Forum Extremist
          • Sep 2012
          • 1746
          • Country: Belgium

          #64
          okay,I finished today my waste gate cooling with heat protection around the hoses and placed a new turbo pamper.i hope i can make a testdrive this weekend after my adjustments on blower,wastegate and front brakes
          things i still need to do:
          -bleeding the brakes
          -put the water back on the engine
          - Connect battery back
          Attached Files
          audi coupe quattro b2 2.2 20vt project (573hp-626nm)
          TWINCHARGED power,zero lag
          AEM W/M injection

          Comment

          • Rocco
            S2Forum Zealot
            • Aug 2007
            • 6393
            • Country: Spain

            #65
            Oh God

            This turbo is massive
            RED Mitsubishi Lancer Evolution VI TME nº 16 of 250
            BLACK Mitsubishi Lancer Evolution VI TME nº 189 of 250
            LWB Audi Sport Quattro project

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            • quattro-nick
              S2Forum Extremist
              • Sep 2012
              • 1746
              • Country: Belgium

              #66
              just the right size,GT3076R
              and no,it's not your turbo rocco,only wastegate and tubular manifold
              audi coupe quattro b2 2.2 20vt project (573hp-626nm)
              TWINCHARGED power,zero lag
              AEM W/M injection

              Comment

              • quattro-nick
                S2Forum Extremist
                • Sep 2012
                • 1746
                • Country: Belgium

                #67
                i have made a testdrive today and everything looks good for the moment
                no water leaks ,oil and water temp are good and the car accelerates very quickly
                only the new turbo pamper has smoked for a while
                soon i'm going to make an appointment to go back on the dyno to see if i have gain some horsepower
                audi coupe quattro b2 2.2 20vt project (573hp-626nm)
                TWINCHARGED power,zero lag
                AEM W/M injection

                Comment

                • Horsty
                  S2Forum Fanatic
                  • Oct 2011
                  • 94
                  • Country: Germany

                  #68
                  i hope you solved the problem...

                  is there any chance to see what happens if you only supercharge it?
                  like let the wastegate open an block the turbo inlet or something?
                  Audi Coupé Quattro 20V

                  Comment

                  • quattro-nick
                    S2Forum Extremist
                    • Sep 2012
                    • 1746
                    • Country: Belgium

                    #69
                    this is too difficult and too much work to accomplish it
                    blower disconnect at 4000 rpm because of the pulley ratio so i can only make a pull with the blower untill 4000 rpm(blower makes then +-8000 rpm)
                    audi coupe quattro b2 2.2 20vt project (573hp-626nm)
                    TWINCHARGED power,zero lag
                    AEM W/M injection

                    Comment

                    • Majorcina
                      S2Forum Extremist
                      • Jun 2013
                      • 1334
                      • Country: Montenegro

                      #70
                      Any update Nick?Did you go on dyno yet?

                      Comment

                      • adam g
                        S2Forum Addict
                        • Feb 2007
                        • 445
                        • Country: United Kingdom

                        #71
                        I think his latest mod will crack the power loss issue.

                        My theory, looking at the schematic is that the pressure from the turbo was pushing the vanes round on the super charger once the SC clutch has disconnected causing the losses in the system.

                        The extra butterfly valve will block the air from going in this direction.

                        Sent from my D5803 using Tapatalk

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                        • quattro-nick
                          S2Forum Extremist
                          • Sep 2012
                          • 1746
                          • Country: Belgium

                          #72
                          hi guys
                          well,i'm busy to make more adaptions then necessary
                          'ive already rebuild a turbo hose and have placed a valve in the inlet from the charger
                          i was planning to make a appointment for the dyno until I had the chance to buy a good second hand gt3582r.
                          that means more work
                          also have removed the radiator to make a waterleak on the engine.now i'm waiting for parts to adapt the turbo
                          so,if i go on the dyno afther this modifications i dont gonna know if the adaptions have solved my problem from the loss hp but with this new turbo i normaly gonna make 600-650 hp so if i accomplish this i presume it is solved
                          audi coupe quattro b2 2.2 20vt project (573hp-626nm)
                          TWINCHARGED power,zero lag
                          AEM W/M injection

                          Comment

                          • quattro-nick
                            S2Forum Extremist
                            • Sep 2012
                            • 1746
                            • Country: Belgium

                            #73
                            under constrution

                            clean up the fan and put the radiator back on place.......
                            Attached Files
                            audi coupe quattro b2 2.2 20vt project (573hp-626nm)
                            TWINCHARGED power,zero lag
                            AEM W/M injection

                            Comment

                            • diesel des
                              S2Forum Possessed
                              • Feb 2004
                              • 3896

                              #74
                              Looking good

                              Sent from my LG-H955 using Tapatalk

                              Comment

                              • Majorcina
                                S2Forum Extremist
                                • Jun 2013
                                • 1334
                                • Country: Montenegro

                                #75
                                Looking good mate

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