Underbody engine trays

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  • iain1067
    S2Forum Maniac
    • Mar 2005
    • 984
    • Country: United Kingdom

    #1

    Underbody engine trays

    not sure if this will apply to the S2 dudes here but maybe of interest to the S4/S6 brigade. missing undertray means not so efficient air flow to the inter cooler as it doesn't get chanelled/forced. For the sake of £4.99 and a couple of self self tappers i bought from a local garden centre a big square abs plastic tray, cut off the sides made myself a template of the area in question and job done all nicely boxed in thank you.


    Iain
  • YELL MAN
    S2Forum Maniac
    • Dec 2005
    • 535
    • Country: Shetland Islands

    #2
    Where is the I/C located on a S4/S6 that the air needs to be chanelled?
    1994 Indigo Blue S2 coupe
    1994 80 Avant 1.9 TDI
    2005 Yamaha Fazer 1000
    1953 AJS Model 18S

    Comment

    • Corey
      Banned
      • Sep 2003
      • 2793
      • Country: United Kingdom

      #3
      In front of the left hand side front wheel, it is in an area of negative pressure as the flow through the intercooler is blocked on it's exit, it is possible to adapt a wheel arch liner from a 2.7ttS4 and have a vent behind the intercooler so you have better airflow through it.
      The Yanks call it a Frankenliner Mod, I think I've put it here somewhere already.
      Corey
      01636 822288

      Comment

      • YELL MAN
        S2Forum Maniac
        • Dec 2005
        • 535
        • Country: Shetland Islands

        #4
        Ah ha i see i would have thought Audi would have placed it somewhere more sutable
        1994 Indigo Blue S2 coupe
        1994 80 Avant 1.9 TDI
        2005 Yamaha Fazer 1000
        1953 AJS Model 18S

        Comment

        • iain1067
          S2Forum Maniac
          • Mar 2005
          • 984
          • Country: United Kingdom

          #5
          Does it work Corey??

          Iain

          Comment

          • Corey
            Banned
            • Sep 2003
            • 2793
            • Country: United Kingdom

            #6
            Originally posted by iain1067
            Does it work Corey??

            Iain
            Apparently very well.

            I purchased a vent for my own use about 3 years ago and todate I still have it in it's box.
            It hasn't been fitted due to my never fitting my undertray
            Plus (when I complete all my other projects) I want to fit a decent FMIC to my S6 and start to get some more bhp from her now she is just run in (230k) but customer cars always come first
            Corey
            01636 822288

            Comment

            • Corey
              Banned
              • Sep 2003
              • 2793
              • Country: United Kingdom

              #7
              Here's the link again if anyone is interested?

              http://www.s-cars.org/postnuke/modul...rticle&sid=154
              Corey
              01636 822288

              Comment

              • iain1067
                S2Forum Maniac
                • Mar 2005
                • 984
                • Country: United Kingdom

                #8
                Nice read made me smile, maybe 20 minutes with the drill be enough


                iain

                Comment

                • S2central.net
                  Retired OG Mod
                  • Jul 2003
                  • 16590
                  • Country: Northern Ireland

                  #9
                  This is a good tweak I reckon - it is no secret that the RS2 has a bloody big hole in the undertray right behind the intercooler so as to improve air flow in comparision with the S2 undertray which is much more restrictive.

                  Judicious drilling of the S2 undertray would effect a similar mod - and much cheaper than sourcing an RS2 undertray.
                  Paul Nugent
                  Webmaster http://S2central.net
                  Administrator http://S2forum.com

                  1994 S2 Coupe ABY - aka Project Lazarus
                  2001 A6 allroad 2.5TDi - family tank
                  2003 S4 Avant 4.2 V8 - daily burble

                  Purveyor of HomeFries and Exclusive agent for Samco hose kits (S2/RS2)

                  There are only 10 kinds of people that understand binary - those that do, and those that don't

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