20v head on 10v?

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  • tubsport
    S2Forum Tinkerer
    • Nov 2006
    • 8
    • Country: United Kingdom

    #1

    20v head on 10v?

    having a 10v (WR) engine, i am wondering if it would be possible to fit the 20v head? would anyone have tried this ? regarding the bore size, my engine has already been bored with the 20v pistons (mahle forged) so should be no probs there.
    Audi 80 quattro - Sprint & Hillclimb car
    WR 10vt engine 310bhp 344lb/ft on SuperFlow engine dyno
    12.93 Brighton Speed Trials 2008
    Gearbox Failure, Broken Mainshaft in practice Brighton Speed Trials 2007
    ECU Problem - Non Starter Brighton Speed Trials 2006
    13.78 Brighton Speed Trials 2005
    14.27 Brighton Speed Trials 2004
  • Jon441cc
    S2Forum Fiend
    • Dec 2005
    • 2061
    • Country: United Kingdom

    #2
    What conrods are you using ? 144mm
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    • ~Delta
      S2Forum Maniac
      • Apr 2005
      • 797

      #3
      Not sure how compatible the WR water / oilways are.

      I'd have thought the MB block would have been closer in similarity to the RR / 3B item...
      Never show a fool a half built house.
      Never underestimate the power of stupid people in large groups.

      Life is like a **** sandwich
      The more bread you have, the less **** you eat

      Comment

      • tubsport
        S2Forum Tinkerer
        • Nov 2006
        • 8
        • Country: United Kingdom

        #4
        i have arrows h-beam rods, i believe they are the same length as std. wr rods, the pistons have had a bowl machined in them to get the c/r to 8:1, this may be a problem if the 20v head has a diff chamber volume
        Audi 80 quattro - Sprint & Hillclimb car
        WR 10vt engine 310bhp 344lb/ft on SuperFlow engine dyno
        12.93 Brighton Speed Trials 2008
        Gearbox Failure, Broken Mainshaft in practice Brighton Speed Trials 2007
        ECU Problem - Non Starter Brighton Speed Trials 2006
        13.78 Brighton Speed Trials 2005
        14.27 Brighton Speed Trials 2004

        Comment

        • caterpillar
          S2Forum Fiend
          • Jun 2004
          • 2480

          #5
          the 20 v head will fit right in.... i have checked out the headgasged from 84 - 94. its the same oilreturn and vaterjac's too.

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