Turbo identification help please K26

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  • avants2turbo
    S2Forum Extremist
    • Feb 2008
    • 1287
    • Country: England

    #1

    Turbo identification help please K26

    Have found a turbo im interested in, and am interested if i would be any use to me?

    its a KKK K26

    the markings are as follows

    Grosse : K26
    ATL - NR : 87 262
    0427
    AUSF - NR : 5326 970 6024



    im looking at putting this on an s2 avant with a RS2 rep manifold and other RS2+ bits
  • K Simmonds
    S2Forum Zealot
    • Dec 2007
    • 7627
    • Country: Wales

    #2
    Your going need to post up some photos to get an answer I expect.
    1990 B3 2.0 80 quattro.
    1992 C4 2.8 Avant quattro
    1994 MTM RS2.
    1998 B5 TDI quattro Sport.
    2000 B5 TQS.

    Comment

    • avants2turbo
      S2Forum Extremist
      • Feb 2008
      • 1287
      • Country: England

      #3
      Originally posted by K Simmonds
      Your going need to post up some photos to get an answer I expect.
      I know ive just asked the question, but ive just done some digging....

      found a website called www.turbo-product.com

      the website lists turbos, by manufacturer of turbo, or by car

      so i looked at the KKK section and found the AUSF-NR 5326 970 6024 is a porsche part no. for a turbo for the 1982- 956 (635BHP Le Mans car) 2.6L turbo

      not sure if its any use to me still though.. lol

      Comment

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

        #4
        K26 turbo's I would advise to steer clear of. They make less power than the stock K24 but with more lag.

        The only decent one is the K26/K27 hybrid

        Comment

        • Audi Parts Guru
          S2Forum Extremist
          • Jul 2003
          • 1317
          • Home: England Current: United Kingdom

          #5
          Originally posted by avants2turbo
          I know ive just asked the question, but ive just done some digging....

          found a website called www.turbo-product.com

          the website lists turbos, by manufacturer of turbo, or by car

          so i looked at the KKK section and found the AUSF-NR 5326 970 6024 is a porsche part no. for a turbo for the 1982- 956 (635BHP Le Mans car) 2.6L turbo

          not sure if its any use to me still though.. lol
          Unfortunately this will be of no use to you as this particular turbo would be one of two turbos fitted to that Porsche engine. It's a flat 6 engine of 2.65 litres, therefore each turbo will be responsible for 3 cylinders of just over 1.3 litres, which is very different to a 5 cylinder engine of 2.2 litres

          Jamo, in general a K26 will make more power than a K24 by virtue of the fact that it's a bigger compressor wheel, however the downside is more lag
          S2 Avant......fully loaded :rock: :bow: Slipper Wagons Rule !!!!!

          Comment

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

            #6
            Originally posted by Audi Parts Guru
            Unfortunately this will be of no use to you as this particular turbo would be one of two turbos fitted to that Porsche engine. It's a flat 6 engine of 2.65 litres, therefore each turbo will be responsible for 3 cylinders of just over 1.3 litres, which is very different to a 5 cylinder engine of 2.2 litres

            Jamo, in general a K26 will make more power than a K24 by virtue of the fact that it's a bigger compressor wheel, however the downside is more lag


            It's a common misconception that a bigger compressor wheel will make more power.

            This is not the case as the wheel design must be taken into consideration.

            For instance there are new wheels available for the Garrett GT turbo's that are smaller than the originals that make more power.

            Most straight K26 make 300bhp same as a K24 except with a lot more lag.

            They need to be a hybrid of housing and wheels to get decent performance
            Last edited by Jamo; 12 January 2009, 11:26.

            Comment

            • Audi Parts Guru
              S2Forum Extremist
              • Jul 2003
              • 1317
              • Home: England Current: United Kingdom

              #7
              Originally posted by Jamo
              Ring MRC and speak to Mihnea and see if you still feel that way

              It's a common misconception that a bigger compressor wheel will make more power.

              This is not the case as the wheel design must be taken into consideration.

              For instance there are new wheels available for the Garrett GT turbo's that are smaller than the originals that make more power.
              Jamo, KKK in Germany currently produce 24 different K26 compressor wheels for various different applications. Therefore it may well be that there are some K26 compressor wheels that ultimately will not produce quite as much power as some K24 compressor wheels, simply by virtue of their particular design and application. However, as I said in my earlier post, in general, a K26 compressor wheel will produce more power than a K24. Hence why a popular upgrade for the S2 is to fit an RS2 turbo.

              Standard S2 turbo has a K24 compressor wheel
              Standard RS2 turbo has a K26 compressor wheel

              With regard to the Porsche unit in question, it is listed as a K26 turbo. This in fact has a K27 compressor wheel fitted to it, and KKK currently produce over 70 different variations of the K27 compressor wheel.
              S2 Avant......fully loaded :rock: :bow: Slipper Wagons Rule !!!!!

              Comment

              • avants2turbo
                S2Forum Extremist
                • Feb 2008
                • 1287
                • Country: England

                #8
                Originally posted by Audi Parts Guru
                Jamo, KKK in Germany currently produce 24 different K26 compressor wheels for various different applications. Therefore it may well be that there are some K26 compressor wheels that ultimately will not produce quite as much power as some K24 compressor wheels, simply by virtue of their particular design and application. However, as I said in my earlier post, in general, a K26 compressor wheel will produce more power than a K24. Hence why a popular upgrade for the S2 is to fit an RS2 turbo.

                Standard S2 turbo has a K24 compressor wheel
                Standard RS2 turbo has a K26 compressor wheel

                With regard to the Porsche unit in question, it is listed as a K26 turbo. This in fact has a K27 compressor wheel fitted to it, and KKK currently produce over 70 different variations of the K27 compressor wheel.
                so... in your opinion, is it any use for an s2?

                Comment

                • Audi Parts Guru
                  S2Forum Extremist
                  • Jul 2003
                  • 1317
                  • Home: England Current: United Kingdom

                  #9
                  Originally posted by avants2turbo
                  so... in your opinion, is it any use for an s2?
                  Definitely no, sorry
                  S2 Avant......fully loaded :rock: :bow: Slipper Wagons Rule !!!!!

                  Comment

                  • avants2turbo
                    S2Forum Extremist
                    • Feb 2008
                    • 1287
                    • Country: England

                    #10
                    Originally posted by Audi Parts Guru
                    Definitely no, sorry
                    cool thanks

                    Comment

                    • nemilosu
                      S2Forum Enthusiast
                      • Nov 2008
                      • 196
                      • Country: Romania

                      #11
                      here http://www.sjmautotechnik.com/troubl...turboparts.htm

                      Comment

                      • kwlw
                        S2Forum Extremist
                        • Sep 2004
                        • 1025
                        • Country: Lithuania

                        #12
                        Dunno I'm late or not, but it is ancient Porsche turbo, reference number 935.123.013.00.

                        I may be wrong, but it should be capable of at least 400+hp if it is what I think. Main reason - it is basically K27 turbo, has K27 cold side wheel and #10 hot side...

                        As it is ancient turbo - expect loads of turbolag with it.

                        You can (ask to) measure compressor intake inside diameter (hole in the turbo through which air is sucked). If it is at least 57mm in diameter - then it is some kind of racing turbo capable of lots hp and lag.

                        Sau
                        200 20vt 88' 3b, human carrier
                        CQ typ85 with AAN inside, see project blog at http://kwlw.blogspot.com

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                        • Sir Buff
                          S2Forum Enthusiast
                          • May 2004
                          • 127
                          • Current: Switzerland

                          #13


                          Compressorwheel: K27-3060G
                          inducer 45.6mm
                          exducer 76mm

                          Not good for 400hp I think. The inducer is smaller than RS2 one (47mm).
                          http://www.audi90.ch

                          Comment

                          • Audi Parts Guru
                            S2Forum Extremist
                            • Jul 2003
                            • 1317
                            • Home: England Current: United Kingdom

                            #14
                            Originally posted by Sir Buff
                            http://eng.turbo3k.com/catalogue/d-1396/

                            Compressorwheel: K27-3060G
                            inducer 45.6mm
                            exducer 76mm

                            Not good for 400hp I think. The inducer is smaller than RS2 one (47mm).
                            Hence why there are two fitted to the Porsche engine in question
                            S2 Avant......fully loaded :rock: :bow: Slipper Wagons Rule !!!!!

                            Comment

                            • lini
                              S2Forum Enthusiast
                              • May 2007
                              • 159
                              • Country: Slovenia

                              #15
                              I have read all the topics considerink KKK K26 and there seems to be a general opinion that K26 flows les than 24. I have a K26 from porsch 944 and mtm ecu with 303hp. Would you recomend then runing this ECU with K24 or K26? If the K24 boosts sooner and has more flow then it would make sence runing that remap with stock turbo.

                              PS sorry for opening an old topic but I want to have a car on the road while I save founds for proper tuning.
                              S2+AAN in progress (again), BMW 3 compact

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