Let the spending begin.....

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  • prj
    S2Forum Zealot
    • Mar 2010
    • 6308
    • Country: Estonia

    #46
    ECU...
    On the standard one it will start but you will get O2 trim codes and it will totally flood your engine on 440 cc's.
    Also, a generic ECU upgrade won't really work, you need custom mapping...

    What's the code of your injectors? 0 280 150 558 Ford Motorsport?
    Or are they some oddball ones?

    Only way a generic upgrade could work half-decently is if someone had the same injectors, same wg spring, same turbo, compression ratio etc... and the chipset was fairly conservative, so there'd be margin for error.
    That's not really happening unless you are buying a turbo kit and a tune specifically designed to be generic for said kit.

    Give MRC a call, I'd say...

    P.S.
    While you break it in - just fit stock injectors and disconnect the N75 valve.
    That way nothing bad will happen.
    http://tuner.ee - http://www.facebook.com/tuner.ee

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    • Starscream
      S2Forum Enthusiast
      • Feb 2009
      • 109
      • Home: United Kingdom Current: Wales

      #47
      @ Terrybullwon - Did a quick search on google for him and i got a Profesor So im guessing a Forum Member?

      @ S2_bo - Have you a link to a thread so I can go reading? there are different larger injectors on the car (440cc) but standard FPR at the moment im guessing ill have to get it on the rolling road then?

      @prj - Not a good idea running it with a standard ECU then? I think they are a bunch of oddball injectors, 4 seem to be matching and 1 aint. and are a siemmens make, I havent got them at hand to get the Part Numbers and at this point i hate my unknowledgable noob that i am.....N75? picture?

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      • prj
        S2Forum Zealot
        • Mar 2010
        • 6308
        • Country: Estonia

        #48
        Uhm, does unmatched mean that they are from a different batch, or that the part number is different as well?

        If they are just from a different batch, then it is probably not a big deal, but you can't run different injectors on every cylinder!

        So if you need to break in the engine, just leave the stock ecu, stock injectors and unplug the N75 valve until you can get the car mapped.
        The N75 valve you will easily find if you look at the hose connected to the lower chamber of the wastegate and then follow it down. At the end of it will be a three way valve with an electric connector - unplug that connector and you will have spring boost.
        http://tuner.ee - http://www.facebook.com/tuner.ee

        Comment

        • terrybullwon
          S2Forum Zealot
          • Mar 2006
          • 8782
          • Country: England

          #49
          Originally posted by Starscream
          @ Terrybullwon - Did a quick search on google for him and i got a Profesor So im guessing a Forum Member?
          Wir stehen seit 1997 für High-Performance-Ladeluftkühler und hochwertige Motorenteile. Über zwei Jahrzehnte Erfahrung stecken in unseren


          Or you can give Curtis a call at AST they are also very good but maybe alittle more than the KW option
          Chef

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          • Starscream
            S2Forum Enthusiast
            • Feb 2009
            • 109
            • Home: United Kingdom Current: Wales

            #50
            Engine is back together guys, cheers for the help and advice, but will soon be dismantled again to have a look at the head, reason for this is hes filled the bore with compressed air and measured how quickly the pressure dropped and he isnt happy, but i thought it could be down to the fact that the engine is still dry in away and hasnt been run in.

            @prj-advice taken on board, 4 injectors are same batch one from another all same part numbers though. One other question is will it be fine to run her in on the standard ECU etc like you said with the larger turbo, AAN inlet bigger IC etc.

            Last question, where within the engine does that small valve that keeps the oil in the head go? Id post a pic if i wasnt on a damn phone!

            Comment

            • Starscream
              S2Forum Enthusiast
              • Feb 2009
              • 109
              • Home: United Kingdom Current: Wales

              #51
              Das Engine....


              das little thing i dont know where it goes

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              • Ruffiano
                S2Forum Extremist
                • Sep 2007
                • 1458
                • Home: Italy Current: United States

                #52
                That is the oil pressure sensor thing, goes in the block left side

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                • Starscream
                  S2Forum Enthusiast
                  • Feb 2009
                  • 109
                  • Home: United Kingdom Current: Wales

                  #53
                  Have you got a picture showing where sorry for being such a simpleton!

                  Comment

                  • AndyP
                    S2Forum Zealot
                    • Feb 2004
                    • 6049
                    • Country: England

                    #54
                    There are some pics in the thread I started about the same thing:-

                    sigpic
                    1991 Audi S2 3B - 2.5 Stroker engine
                    1997 A6 2.5TDi quattro avant - C4
                    1976 RD250E / 350LC cafe racer

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