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New project, b5 s4 2.7 bi-turbo yes or no??

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  • New project, b5 s4 2.7 bi-turbo yes or no??

    Hi, I’m a new member looking for advice on an engine conversion for my b3 Audi Coupé Quattro (1989). I’ve been looking at using the 2.7 b5 s4 bi-turbo and have had mixed feedback on the engine when asking about.. I’m just here to gather some more information before I bite the bullet and 100% commit to the engine/project...

    any recommendations/opinions are welcome

    thanks

  • #2
    Hello and . I have seen it done, I believe it best to use a v6 coupe although I gather its a hard one to do. Lots off heart ache and hair pulling. If there is a way I guess you'll find it. Lots off Photo if you go for it We like lots of them please Best off Luck. Lynn

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    • #3
      That will be tight fit .cant wait to see it done

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      • #4
        This is the problem I’ll face (squeezing it in)

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        • #5
          Major problem is that the outlets for the bi-turbo set up exit amost exactly where the steering rack is on the b3 or b4.

          I've seen that overcome by using a single turbo, but that sort of defeats tha object when a V8 could be squeezed in ?

          John

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          • #6
            //-\\ ((_)) //)) //

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            • #7
              As above single turbo is what most go with.

              There is a cabriolet in London running a s4 engine bi turbo but fwd and aftermarket ecu.
              Frostyflax used to have a single turbo s4 engined coupe quattro.

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              • #8
                https://www.s2forum.com/forum/member...o-2-7-bi-turbo

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                • #9
                  HaHa, that was the link I tried to create.
                  Last edited by ThatGUY; 9th September 2019, 01:01.
                  //-\\ ((_)) //)) //

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