Dual plenum pics

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  • Mark Halligan
    S2Forum Fiend
    • Jul 2003
    • 2001
    • Country: England

    #1

    Dual plenum pics

    Does anyone have any links to, or pictures of dual plenum inlet manifolds, particularly internals/cross section images like this, home grown one or 'manufactured'. I've got a few but there don't seem to be that many floating around.

    Cheers

    Mark.
    Attached Files
    Mark - Modded
  • Doug_RS2
    S2Forum Possessed
    • Jul 2003
    • 3847
    • Home: Scotland Current: England

    #2
    When will it stop
    S2,RS2,S4 WB,RS4,S4 B8,RS6 C5,RS6 C6,R8

    Comment

    • rotoryboy
      S2Forum Possessed
      • May 2004
      • 3281
      • Country: United Kingdom

      #3
      I believe the answer is NEVER
      Mark

      Race Clio RS197

      S2 Coupe ABY (Green) - RIP
      S2 Coupe ABY (Blue) - Sold

      Comment

      • brinskan
        S2Forum Fanatic
        • Oct 2004
        • 52

        #4
        Ummm... please explain the gain from a dual plenum manifold and why?

        Comment

        • A1QSHIP
          S2Forum Maniac
          • Aug 2004
          • 975
          • Country: United States

          #5
          The charge air is more evenly distributed between the cylinders, i.e. all the engine cylinders will receive the same amount of boost pressure that the turbocharger can provide. A more even charge can allow tuning "closer to the edge"
          Chris
          "Nulla tenaci invia est via"

          Comment

          • martinjs
            S2Forum Possessed
            • Jul 2003
            • 3205
            • Country: England

            #6
            A few pics on this page Mark, quite interesting reading.


            IMSA manifold

            Comment

            • Mark Halligan
              S2Forum Fiend
              • Jul 2003
              • 2001
              • Country: England

              #7
              Thanks Martin

              Originally posted by Doug_RS2
              When will it stop
              LOL I'm playing with bits of metal again ...need to attach something different to this flange.

              Mark
              Attached Files
              Mark - Modded

              Comment

              • Doug_RS2
                S2Forum Possessed
                • Jul 2003
                • 3847
                • Home: Scotland Current: England

                #8
                I thought you said you would never do an intake manifold again? I'm not copying this time!
                S2,RS2,S4 WB,RS4,S4 B8,RS6 C5,RS6 C6,R8

                Comment

                • martinjs
                  S2Forum Possessed
                  • Jul 2003
                  • 3205
                  • Country: England

                  #9
                  Have you seen dahlbacks new manifold? very nice, cant tell if its dual plenum or not.
                  Attached Files

                  Comment

                  • Greg_S
                    Administrator
                    • Jul 2003
                    • 12431
                    • Country: United Kingdom

                    #10
                    Originally posted by Mark Halligan
                    Thanks Martin


                    LOL I'm playing with bits of metal again ...need to attach something different to this flange.

                    Mark
                    you could try throttle body type conversion using motorbike bits like one of the guys on audifans did.
                    Greg

                    S2Forum.com Administrator & Webmaster

                    '93 Coupe with a few tweeks

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                    • Henka
                      S2Forum Maniac
                      • Nov 2004
                      • 585
                      • Home: Sweden

                      #11
                      The new Dahlbäck intake is awsome...

                      Comment

                      • Billman
                        S2Forum Freak
                        • Nov 2004
                        • 4129

                        #12
                        The dahlbackdualplenum looks nice! Fits with Aircon too!
                        Go Holset or Go RS4

                        Comment

                        • Doug_RS2
                          S2Forum Possessed
                          • Jul 2003
                          • 3847
                          • Home: Scotland Current: England

                          #13
                          If you are doing your own Mark, I would definitely get 5 EGT sensors mounted in your EM so you can see if you are getting equal amounts of air into each cylinder. I'll be doing that in my next EM just to be sure - don't want to melt a piston like Timucin.
                          S2,RS2,S4 WB,RS4,S4 B8,RS6 C5,RS6 C6,R8

                          Comment

                          • Billman
                            S2Forum Freak
                            • Nov 2004
                            • 4129

                            #14
                            And how can you monitor 5 EGT's? would you connect and disconnect for each cylinder or would you have 5 displays or one switchable?
                            Go Holset or Go RS4

                            Comment

                            • AnLe
                              S2Forum Addict
                              • Dec 2003
                              • 291
                              • Country: Finland

                              #15
                              switchable is the easyest, pro people would make pic based software to display highest or lowest upon request

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