Audi 80 Avant

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  • Bram
    S2Forum Fiend
    • Aug 2006
    • 2582
    • Country: Netherlands

    #526
    Some good fix and data Vas. Your Avant must be a sweet drive now

    Comment

    • A80Avant
      S2Forum Obsessed
      • Sep 2005
      • 10873
      • Country: Greece

      #527
      thanks! yes, it feels good now.

      just went out and redid some vems tuning and car feels really nice and strong now. I'll leave it as it is!

      Comment

      • Billman
        S2Forum Freak
        • Nov 2004
        • 4129

        #528
        Originally posted by A80Avant
        thanks! yes, it feels good now.

        just went out and redid some vems tuning and car feels really nice and strong now. I'll leave it as it is!
        For sure!
        Go Holset or Go RS4

        Comment

        • A80Avant
          S2Forum Obsessed
          • Sep 2005
          • 10873
          • Country: Greece

          #529
          my wastegate did not have a gasket between the EM and the wastegate. IS that normal?

          Comment

          • Avantus
            S2Forum Maniac
            • Sep 2007
            • 941
            • Country: Belgium

            #530
            I believe that is normal. Mine doesn't have it either.

            Comment

            • dkw_dude
              S2Forum Maniac
              • Jul 2003
              • 555
              • Country: Norway

              #531
              Originally posted by Avantus
              I believe that is normal. Mine doesn't have it either.
              Same thing here.
              Leif-Helge
              -91 S2 VEMS and Comp Turbo
              -12 B** 530XD Touring "S2 parts transporter, and daily driver"

              Comment

              • A80Avant
                S2Forum Obsessed
                • Sep 2005
                • 10873
                • Country: Greece

                #532
                thanks chaps! just making sure

                Comment

                • A80Avant
                  S2Forum Obsessed
                  • Sep 2005
                  • 10873
                  • Country: Greece

                  #533
                  Damn water injection units...!

                  yesterday playing around with the water injection i realised it only starts injecting after 1.6bar of boost no matter what i set in the controller...

                  so i ordered a new one to replace. damn those things dont have a good life span...

                  Comment

                  • rst
                    S2Forum Enthusiast
                    • May 2006
                    • 102
                    • Country: Estonia

                    #534
                    Originally posted by A80Avant
                    Damn water injection units...!

                    yesterday playing around with the water injection i realised it only starts injecting after 1.6bar of boost no matter what i set in the controller...

                    so i ordered a new one to replace. damn those things dont have a good life span...
                    Why dont you use smt like this?

                    http://www.ebay.co.uk/itm/water-meth...8#ht_670wt_952

                    You can controll it with NOS table in the VEMS for example. Looks many times easier than with a separate controller in my mind.
                    Audi UrS4 609hp/846Nm @ wheels
                    10.911@210, 1km 268km/h, 1mile 295km/h
                    FATS 2,30 sec

                    Comment

                    • A80Avant
                      S2Forum Obsessed
                      • Sep 2005
                      • 10873
                      • Country: Greece

                      #535
                      how do you control the amount of injection vs boost using this solenoid?

                      Comment

                      • Jamo
                        Retired OG Mod
                        • Mar 2004
                        • 21750
                        • Country: United Kingdom

                        #536
                        Originally posted by rst
                        Why dont you use smt like this?

                        http://www.ebay.co.uk/itm/water-meth...8#ht_670wt_952

                        You can controll it with NOS table in the VEMS for example. Looks many times easier than with a separate controller in my mind.
                        Any example of the vems config for this setup please?

                        Looking at the table looks very easy only thing missing is adjustable duty cycle for a progressive system but I wouldn't care about that.
                        Last edited by Jamo; 28 November 2011, 10:12.

                        Comment

                        • A80Avant
                          S2Forum Obsessed
                          • Sep 2005
                          • 10873
                          • Country: Greece

                          #537
                          in that way it could be used in the alternative boost settings i suppose but the trouble is that you have to manually test how much DC is required for how much water to pass through the solenoid in order for the injector to have linearity and also be boost madiated linearity.

                          in the alternate boost settings there is a 3d table you can use, but it would still need a manual way of checking how much water is passing through.

                          since the replacement ecu is on its way, ill stick with that solution for now!

                          Comment

                          • rst
                            S2Forum Enthusiast
                            • May 2006
                            • 102
                            • Country: Estonia

                            #538
                            There is no need for progressive system. A friend of mine is using 500+cc nozzle without progressive system. He is using 50/50 mix of water and methanol.

                            Settings for example

                            You put +12V all the time to the solenoid and with vems you control ground to the solenoid. Easy.

                            Some time ago there was for Boost and NOS solenoids tabels in VEMS were you could easly set solenoids duty, but unfortunatly they have removed them. They could just add for NOS analog graph as is for Boost solenoid. That way you could make it progressive also.
                            Audi UrS4 609hp/846Nm @ wheels
                            10.911@210, 1km 268km/h, 1mile 295km/h
                            FATS 2,30 sec

                            Comment

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

                              #539
                              how many crank horse power Vas?? something like 450?

                              very nice draws¡¡
                              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

                              Comment

                              • A80Avant
                                S2Forum Obsessed
                                • Sep 2005
                                • 10873
                                • Country: Greece

                                #540
                                well 390 whp is almost near to 470-490 crank according to the dynodynamics (that dyno calculated 464hp crank when it registered 367whp and the virtual dyno was slighlty more strict than that dyno as well!)

                                ill put it this way: with my 0.82AR a 490hp run which i calculated with the perfomance box gave around 381whp on the virtual dyno.

                                If it is now making more than 380whp, then id say on a positive note that its looking at 500hp crank!

                                @ RST: i like the progressiveness of the controller, as i dont want to have any quenching with the overflow of water.

                                How do you connect the solenoid to the pump? Or do you always have a 12V at the pump as well ?

                                Comment

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