How big is the stock S2 wastegate in mm

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  • karlblues2
    S2Forum Addict
    • Jul 2004
    • 402
    • Home: England Current: Australia

    #1

    How big is the stock S2 wastegate in mm

    Some bloke was quoting his external Tial wastegate as 44mm. What size is the S2 external wastegate ? Is it bigger than 44mm? I asssume he's talking about the internal chamber diameter rather than the external dimensions
    Cheers
    Karl
    Oz
    Oct 93 build MY 94 ABY Kingfisher Blue Audi S2 with MD147 turbo :mischeif:u SOLD
    Audi 90 Quattro 20V 1989 7A
    Audi TTRS 2010 APR stage 2 +
    Triumph 675 Street Triple R
  • Billman
    S2Forum Freak
    • Nov 2004
    • 4129

    #2
    Can someone tell us how big the stock wastegate ist???
    Go Holset or Go RS4

    Comment

    • RIX
      S2Forum Addict
      • Jul 2004
      • 229
      • Country: Denmark

      #3
      i think it´s 36 ore 38mm

      Comment

      • +500hp
        S2Forum Fanatic
        • Dec 2004
        • 51

        #4
        38mm

        Comment

        • Billman
          S2Forum Freak
          • Nov 2004
          • 4129

          #5
          That enough for big HP isnt it?
          Go Holset or Go RS4

          Comment

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

            #6
            I think it is the HOLE diameter that counts, the diameter of an valve can be 38mm but the hole is 28-32 depending is it from 10v or 20v.

            Tial is wery cool unit, but I dont like the fact that it has no screw to screw.

            (that line sounds wery bad, excuse my english)

            Comment

            • Billman
              S2Forum Freak
              • Nov 2004
              • 4129

              #7
              In wastegates it goes the bigger the better?
              Go Holset or Go RS4

              Comment

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