Dual Plenum Intake manifold

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  • quattro
    S2Forum Maniac
    • Dec 2004
    • 768
    • Home: Wales Current: England

    #16
    Ye thats what im thinking now, maby single plenum....
    Probably the longet S2 project in history EVER!

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    • quattro84
      S2Forum Maniac
      • Mar 2006
      • 947
      • Country: Netherlands

      #17
      This seems to be the ultimate dual plenum design., optimised over 25 years. Try to do that out of sheet metal...


      Read this arti about a manifold benchmark and learn from it: http://forums.vwvortex.com/showthread.php?3098525

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      • quattro
        S2Forum Maniac
        • Dec 2004
        • 768
        • Home: Wales Current: England

        #18
        Looks almost identical to the one dhalback sells for the 1.8t 20v 4pot engines.....

        Hmmm food for thought, cant wait to get started now, be at least 2 weeks before I can start tho!
        Probably the longet S2 project in history EVER!

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        • quattro84
          S2Forum Maniac
          • Mar 2006
          • 947
          • Country: Netherlands

          #19
          Dahlback's mani is a copy of this Lehmann design.

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          • quattro
            S2Forum Maniac
            • Dec 2004
            • 768
            • Home: Wales Current: England

            #20
            After a heck tick summer and crazy xmas at work its time to pick up my socks on the S2 front once again, i have been looking at flow paths and CAD and one thing bugs me about all the theory behind the CAD manifolds, is the fact that the air flow is presumed to flow perfectly straight with no turbulence in to the manifold, i have no doubt that CAD manifolds are more consistent but to go to all that effort and assume such a huge detail that could totally change the characteristic of the manifold design......
            Probably the longet S2 project in history EVER!

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            • malncol
              S2Forum Addict
              • Mar 2012
              • 288
              • Country: Australia

              #21
              so did this dual plenum ever make it to production????
              mal

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