Best injectors for RS2 turbo setup?

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  • JaMZ
    S2Forum Hobbyist
    • Sep 2009
    • 12
    • Country: Finland

    #1

    Best injectors for RS2 turbo setup?

    Hello
    I am going to install RS2 ECU, RS2 turbo, RS2 camshafts and RS2 camshaft pulley into my 20vt engine. Now I need to decide which injectors I should use. My goal is to get max power from RS2 turbo, without significantly decreasing turbo lifespan.

    For injectors I have two options:
    Bosch 0 280 150 984 (Original RS2) 405cc@3.8bar (RS2 stock), 416cc@4.0bar
    Bosch 0 280 155 968 (Green giant/Volvo) 440cc@3bar, 465cc@3.8bar

    Can I reach my goal with original RS2 injectors (3.8 or 4.0 bar FPR) or is there any good reason to use newer Bosch 0 280 155 968 injectors? Original RS2 injectors have at least one benefit: I can use RS2 stock software and drive my car to remapping location. Otherwise I need to use old software and injectors for driving and change injectors and ECU before remapping. Are there any other injectors which are suitable for RS2 setup and my goal?
  • A80Avant
    S2Forum Obsessed
    • Sep 2005
    • 10873
    • Country: Greece

    #2
    If you use rs2 setup then you don't need bigger injectors. If you use 440 you can get to 425+ hp later on with a bigger turbo

    Comment

    • Vauhtiveikko
      S2Forum Addict
      • Jun 2010
      • 250
      • Country: Finland

      #3
      I could sell you 5-6tkm used RS2 Bosch orginals (0 280 150 984) for 300€ if you are interested (mint condition). Worked well on my RS2 setup. If You want more headroom for future, you must go bigger.
      S2 Avant SleeperWagon 570hv and 765nm on 2,2bar/E85

      Comment

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

        #4
        Sorry but 300€ is too much for such injectors. You can find ev14 bosch for that amount and have a headroom for 600hp if you wanted.

        Comment

        • Vauhtiveikko
          S2Forum Addict
          • Jun 2010
          • 250
          • Country: Finland

          #5
          Maybe so, but these things are rare Open for offers also
          S2 Avant SleeperWagon 570hv and 765nm on 2,2bar/E85

          Comment

          • JaMZ
            S2Forum Hobbyist
            • Sep 2009
            • 12
            • Country: Finland

            #6
            Hi, I think RS2 turbo should be enough for me. No plan to change bigger turbo in the future. Reason why I am asking about injectors is that I have read many remapping stories telling that RS2 injectors were maxed out during remapping. That is why I was thinking that maybe RS2 injectors are not enough to get all power from RS2 turbo. Or does it help if I increase fuel pressure from RS2 stock 3.8bar to 4.0bar?

            I know that RS2 injectors are very rare and expensive. For example brand new Bosch 0 280 155 968 "Green giants" cost about 60 euros per injector.

            Comment

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

              #7
              If that is the case get the 440cc ones and you wont worry. They work brilliantly

              Comment

              • Rusty
                Super Moderator
                • Jun 2004
                • 18953
                • Country: United Kingdom

                #8
                Originally posted by JaMZ
                Hi, I think RS2 turbo should be enough for me. No plan to change bigger turbo in the future.
                You say that now...
                Cheers'en, AndyC
                1994 ABY Coupe - Projekt Alpinweiss

                Comment

                • simon20vq
                  S2Forum Extremist
                  • Dec 2010
                  • 1379
                  • Country: United Kingdom

                  #9
                  Hi Have seimens fitted to mine and they have been excellent. I have a spare set for sale £180 + delivery if interested. There plug and play on the fuel rail.

                  Comment

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