7a to 2.8 MAF upgrade, need help!

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  • psiconauta911
    S2Forum Maniac
    • Oct 2007
    • 613
    • Country: Portugal

    #1

    7a to 2.8 MAF upgrade, need help!

    Fellow members in the S2 Forum I need help.
    Here in Portugal there aren´t any 2.8MAF second-Hand and the dealer price is out of my range.
    Anyone can get me one?
    Preferably from Europe!
    Thank you all in advance for any help you can give me.

    Pedro
  • BRY
    S2Forum Possessed
    • Nov 2004
    • 3755
    • Home: United Nations Current: Vietnam

    #2
    Click this
    Kingdoms are run by Kings, Dictatorships are run by Dictators.
    England must be a Country. :mischeif:

    Comment

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

      #3
      try ebay they come up pretty regularly. Interested to see how you get on with this mod, i;ve not bothered on my 7A(s) but might if you notice much improvment in throttle response etc

      Good luck

      EDIT: D'oh!
      Panthero Coupé quattro 20vt
      Indigo ABY coupé
      Imola B6 S4 Avant

      Comment

      • mcandmar
        S2Forum Zealot
        • Apr 2004
        • 5118
        • Country: Ireland

        #4
        I "think" there is two different 2.8 v6 MAFs.
        91CQ20v - Gone to a new home
        93UR-S4 - The Magic Carpet
        94S2Bus - The Emerald Express

        Comment

        • Cullam3n
          S2Forum Maniac
          • Aug 2007
          • 993
          • Home: United States Current: United Kingdom

          #5
          Originally posted by mcandmar
          I "think" there is two different 2.8 v6 MAFs.
          IIRC the 1st model had an adjustment for mixture or something

          Comment

          • Flat on my back
            S2Forum Fiend
            • Jan 2007
            • 2449
            • Country: United Kingdom

            #6
            Originally posted by BRY
            Thats not the one i'm fitting, yes there are 2 versions but for the life of me cant remember if mine is the early or late one...
            Carlos.

            On the look out for less bits for my s2 saloon project. Now supporting myself by shooting for my food. www.airgunforum.co.uk

            Comment

            • Cullam3n
              S2Forum Maniac
              • Aug 2007
              • 993
              • Home: United States Current: United Kingdom

              #7
              early version has a red cap over a screw next to the block on the side to adjust something to do with the mixture

              Comment

              • Flat on my back
                S2Forum Fiend
                • Jan 2007
                • 2449
                • Country: United Kingdom

                #8
                Try here for pics...



                Carlos.

                On the look out for less bits for my s2 saloon project. Now supporting myself by shooting for my food. www.airgunforum.co.uk

                Comment

                • psiconauta911
                  S2Forum Maniac
                  • Oct 2007
                  • 613
                  • Country: Portugal

                  #9
                  thanks

                  Thank you all for the quick reply.

                  The one on ebay is not the ONE!

                  The one I need is the same as the one in the SAUGER-TUNNING site http://www.20v-sauger-tuning.de that is tubular shaped and not contorted like the ebay one, and I only need the carcass as I´m using the sensor i have.


                  Pedro

                  Comment

                  • psiconauta911
                    S2Forum Maniac
                    • Oct 2007
                    • 613
                    • Country: Portugal

                    #10
                    again

                    Yes there are 2 models and I need the the 2nd probably the one that Carlos has.

                    Pedro

                    Comment

                    • psiconauta911
                      S2Forum Maniac
                      • Oct 2007
                      • 613
                      • Country: Portugal

                      #11
                      the part number is 078,133,471 because of the screws that hold the sensor to the MAF only this one will do.
                      Since the ones that have A or AX in the part number have the screws in the opposite location and won´t work.

                      Pedro

                      Comment

                      • Flat on my back
                        S2Forum Fiend
                        • Jan 2007
                        • 2449
                        • Country: United Kingdom

                        #12
                        As well...

                        If you're considering this mod, you will also need higher flow injectors (Bosch 0 280 156 095) and a remap or fit a 'piggy back' ecu, such as an Perfect Power SMT 6.
                        Carlos.

                        On the look out for less bits for my s2 saloon project. Now supporting myself by shooting for my food. www.airgunforum.co.uk

                        Comment

                        • psiconauta911
                          S2Forum Maniac
                          • Oct 2007
                          • 613
                          • Country: Portugal

                          #13
                          Originally posted by Flat on my back
                          If you're considering this mod, you will also need higher flow injectors (Bosch 0 280 156 095) and a remap or fit a 'piggy back' ecu, such as an Perfect Power SMT 6.
                          Thank you Carlos, The injectors are already in and it is now running a bit rich and after the MAF I´ll have it maped with a piggy back ecu.

                          Pedro

                          Comment

                          • Flat on my back
                            S2Forum Fiend
                            • Jan 2007
                            • 2449
                            • Country: United Kingdom

                            #14
                            Star...

                            Be good to compare results. I have the RR results on mine with a full ss ex system (decated), high flow air filter and some holes cut in the airbox, oil breather venting to air instead of back into the engine and new low impedance injectors...slightly better flow than the Hitachis.

                            Your mods are my next upgrade as well.

                            Carlos.

                            On the look out for less bits for my s2 saloon project. Now supporting myself by shooting for my food. www.airgunforum.co.uk

                            Comment

                            • psiconauta911
                              S2Forum Maniac
                              • Oct 2007
                              • 613
                              • Country: Portugal

                              #15
                              Well Carlos mine isn´t really a 7A but a NM, 1994cc 160hp at 6200rpm, it as a tubular exaust manifold and no cat. I´ve changed the hitachi injectors for the bosch ones from 034 to the 7A (that´s the reason why it´s running rich) and open the lower front part of my air box (ram air from under the light in a protected away from heat area, nice intake sound) I have a KN panel air filter.
                              Since this mods I noticed a nice improvment, from 3000rpm to 5krpm(off cam 4500 on cam), of 0,5 seconds in full throtte(from 6,67secs. to 6,06secs.).
                              I´m waiting to get the enlarged maf to install the piggy back and tune it properly.

                              Pedro

                              Comment

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