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Rust on rear trailing arms.

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    Rust on rear trailing arms.

    So I had sand blasted a set of rear trailing arms, the rust has eaten away the top and parts of the sides of the spring perch. Am I okay to wrkd in some patches? Or can I get a replacement to weld in? Or should I look for new trailing arms?
    Here is one

    And the other
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    http://www.r3vlimited.com/board/showthread.php?t=270560

    #2
    Welding on thin rusty crap isn't much fun. I would suggest finding some good used ones if possible.
    sigpic
    1991 318is x 2 .

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      #3
      If AB is as hard to find parts as NS, I'd say cut the nub off and weld a new plate+ similar sized piece of tube on, then cap it off.
      Originally posted by priapism
      My girl don't know shit, but she bakes a mean cupcake.
      Originally posted by shameson
      Usually it's best not to know how much money you have into your e30

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        #4
        It can be hard to find parts here, especially without excessive rust.
        If you can't find any locally and decide not to weld I can check the condition of a set for sale local to me. I think he wants $20 a side but I haven't seen them. Let me know
        sigpic
        1991 318is x 2 .

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          #5
          Well I figured why not try welding. Worst that happens is I still have to get new arms. I had some thicker sheet metal that I cut a cap out of. Heated it up and formed it over the old spring perch. Then did a ton of tiny tack welds. And this is what I got, it's not the prettiest. But it's strong and does the job.

          With a quick material removal on the inside of the spring pad, it works perfect
          Feedback
          http://www.r3vlimited.com/board/showthread.php?t=270560

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