is this cylinder head past repair?

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  • JOSH,S ABY S2
    S2Forum Enthusiast
    • Jun 2010
    • 109
    • Country: England

    #1

    is this cylinder head past repair?

    hi

    is it possible to repair these cracks that run from the plug to the valves?

    cheers
    josh
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  • Mikes2
    S2Forum Extremist
    • Jul 2003
    • 1704
    • Country: Scotland

    #2
    If the cracks are less than 0.5mm wide and the cracks do not reach beyond the first thread in the spark plug hole, the head is serviceable
    Mike

    http://www.s2-audi.co.uk

    Comment

    • Rikki Kitto
      S2Forum Zealot
      • Feb 2010
      • 6276
      • Country: England

      #3
      Looking at how much a head is going for in good nick I'd say a good welder can sort it and you'd still come out in front

      Comment

      • JOSH,S ABY S2
        S2Forum Enthusiast
        • Jun 2010
        • 109
        • Country: England

        #4
        Thanks for your advise. Ill have a measure up. Can you recommend anyone who’s capable of doing the job?

        Comment

        • SteveH
          Super Moderator
          • Jul 2003
          • 4460
          • Country: United Kingdom

          #5
          It's a fairly big job whoever does it for you. Head completely stripped, affected valve seats removed, cracks ground out, head heated up, rod material matched to suit the alloy of the head, welded, ground back, new valve seats installed and cut, head skimmed, line honing checked for cams, rebuild head. A lot of work and associated cost. I would look for a specialist who has a good track record in this type of repair. Can't recommend anyone from experience.
          91 Modded 3B
          14 A6 Avant Black Edition

          Comment

          • JOSH,S ABY S2
            S2Forum Enthusiast
            • Jun 2010
            • 109
            • Country: England

            #6
            I did think it’s a big job but it’s been sat in my shed for over 5 year now and the time has come to do it up or get rid. It was never a problem when on the car it was changed because a better option came up. I dont know of any head specialist locally that’s capable. but I’ll have an ask about. Cheers

            Comment

            • Rikki Kitto
              S2Forum Zealot
              • Feb 2010
              • 6276
              • Country: England

              #7
              Maybe just sell it as it is give someone the chance of a cheapish head then let them sort it out

              Comment

              • SteveH
                Super Moderator
                • Jul 2003
                • 4460
                • Country: United Kingdom

                #8
                Originally posted by JOSH,S ABY S2
                I did think it’s a big job but it’s been sat in my shed for over 5 year now and the time has come to do it up or get rid. It was never a problem when on the car it was changed because a better option came up. I dont know of any head specialist locally that’s capable. but I’ll have an ask about. Cheers
                It will more than likely run with no problems on a standard trim S2.
                91 Modded 3B
                14 A6 Avant Black Edition

                Comment

                • Costash
                  S2Forum Maniac
                  • Mar 2009
                  • 878
                  • Home: Romania Current: United Kingdom

                  #9
                  Do a pressure test on the head if it passes is all good if not is the above a bit of a bill...

                  Comment

                  • JOSH,S ABY S2
                    S2Forum Enthusiast
                    • Jun 2010
                    • 109
                    • Country: England

                    #10
                    cheers I'm going to sell it as is, ill take some more pics and get it in the for sale section at weekend

                    Comment

                    • david
                      S2Forum Extremist
                      • Oct 2008
                      • 1268
                      • Country: United Kingdom

                      #11
                      Hi mate
                      am first in line if ur ready to sell
                      i know these have bad cracks but am eager to get it as I will be running a standard car and need one
                      pm me with price
                      cheers
                      Last edited by david; 9 May 2019, 19:48.
                      [SIGPIC][SIGPIC]/SIGPIC]92 3B pearl white=gone back home to Germany,probably in bits and pieces

                      RS2 VOLCANO BLACK] soon to be broken to bits

                      Comment

                      • david
                        S2Forum Extremist
                        • Oct 2008
                        • 1268
                        • Country: United Kingdom

                        #12
                        Is this still available by any chance?
                        [SIGPIC][SIGPIC]/SIGPIC]92 3B pearl white=gone back home to Germany,probably in bits and pieces

                        RS2 VOLCANO BLACK] soon to be broken to bits

                        Comment

                        • JOSH,S ABY S2
                          S2Forum Enthusiast
                          • Jun 2010
                          • 109
                          • Country: England

                          #13
                          Yes. Not done anything with it yet. Still sat in my workshop.

                          Comment

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