25v Head and Alloy KW block

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  • rs2coupe
    S2Forum Extremist
    • Oct 2004
    • 1782
    • Home: Trinidad and Tobago Current: United States

    #1

    25v Head and Alloy KW block

    theoretically speaking.. if one were to have a combination of Audi Sport 25v head and aluminum 20v turbo block is fitment straight forward? What about 25v valve cover? I believe them to be different but would a 20v valve cover bolt to 25v head?
    Cheers mis amigos,
    _Anton
  • UrS4boy
    S2Forum Obsessed
    • Feb 2006
    • 11859
    • Country: Canada

    #2
    Originally posted by rs2coupe
    theoretically speaking.. if one were to have a combination of Audi Sport 25v head and aluminum 20v turbo block is fitment straight forward? What about 25v valve cover? I believe them to be different but would a 20v valve cover bolt to 25v head?
    That's a lot of "theory" there Anton. If you are thinking something like the 25V Talledega engine, the cam cover was not like the AAN cover:





    RS2'd 93 UrS4 5 spd sedan
    94 UrS4 V8 6 spd manual avant

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    • Zoig
      S2Forum Maniac
      • Sep 2008
      • 555
      • Country: Estonia

      #3
      25v head has 10 exhaust ports, one port per valve, so BiTurbo is possible

      rs2coupe, why so odd question, do you have any of those rarities lying around?
      Attached Files

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      • rs2coupe
        S2Forum Extremist
        • Oct 2004
        • 1782
        • Home: Trinidad and Tobago Current: United States

        #4
        @Dave, thanks for the reply I'll have more info on it shortly.

        @Zoig its coming to America
        Cheers mis amigos,
        _Anton

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        • caterpillar
          S2Forum Fiend
          • Jun 2004
          • 2480

          #5
          if some have the weldin skills. there ARE possible to MAKE one 25v heads.. using 2 of the 1.8turbo head.. aeb's....... and i have seen a prototype 25v on the sales forum... this forum, a forgotten rallycar in a garasje...

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          • ralleyquattro
            S2Forum Maniac
            • Oct 2007
            • 536
            • Home: Poland Current: Canada

            #6
            Here is a better look

            I have more pics, email me if you want to see the rest.
            Attached Files
            www.quattro.ca
            B2: 82 Urq into Sport quattro, 82 4000 2-door, 83 80q 2 Door, 83 Ur-q CDN, 85 Ur-q Euro with 3B, 86 4kq, 59,000km
            B3/B4: 91 CQ, 93 90q 2.5TDI, 94 80q avant 2.5tdi, 94 S2 Avant

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            • Lange
              S2Forum Buff
              • Apr 2012
              • 41
              • Country: Sweden

              #7






              http://www.audi-quattro-highlights.c...Highlights.exe

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              • caterpillar
                S2Forum Fiend
                • Jun 2004
                • 2480

                #8
                have those pics in my pc............!

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                • caterpillar
                  S2Forum Fiend
                  • Jun 2004
                  • 2480

                  #9
                  ralleyquattro@ its small chassi car WITH 25v?????.... do not hav secrets.. tell more PLEASE ??!!

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                  • rs2coupe
                    S2Forum Extremist
                    • Oct 2004
                    • 1782
                    • Home: Trinidad and Tobago Current: United States

                    #10
                    Will post pics when it's in my hands

                    Maybe James has more info to share on this subject
                    Cheers mis amigos,
                    _Anton

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