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repairing crack in flathead block

Discussion in 'The Hokey Ass Message Board' started by metaldave, Feb 16, 2013.

  1. metaldave
    Joined: Aug 27, 2011
    Posts: 81

    metaldave
    Member
    from michigan

    I had my flathead block cleaned and checked for cracks.. They found a crack in one of the valve ports. They are going to stitch the crack by drilling holes, tapping, and then screwing in cast iron plugs. They continue down the length of the crack overlapping each plug. Has anyone out there had this done and what was the result?
     
  2. gimpyshotrods
    Joined: May 20, 2009
    Posts: 17,114

    gimpyshotrods
    ALLIANCE MEMBER

    I have had it done on a few castings. It worked just fine. Seems to be accepted to be the proper procedure. Search the forum with the keyword: locknstitch
     
  3. BOBCRMAN
    Joined: Nov 10, 2005
    Posts: 846

    BOBCRMAN
    Member
    from Holly

    Very good repair. I have done many.
     
  4. Thunderroad312
    Joined: Nov 18, 2012
    Posts: 159

    Thunderroad312
    Member

    Better than welding because it doesn't put the stress in the casting from the heat. Helluva lot easier too. When it is done the repair will be almost imperceptable.
     
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