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Trailing Arm Welding

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  • Trailing Arm Welding

    Hello All,
    I come to the group asking for some advise. Recently having overhauled the rear suspension on my TR250, I discovered the trailing arm braces off the frame have significantly deteriorated. They need to be replaced. I have purchased replacement parts. I am not a welder and do not have a welding rig. So I need to find a shop capable of doing this work.

    What I am asking is if anyone has a recommendation for a shop in the vicinity of Northern Virginia than can do this work.

    Thanks in advance for your time.

  • #2
    Originally posted by 2mul2us View Post
    Hello All,
    I come to the group asking for some advise. Recently having overhauled the rear suspension on my TR250, I discovered the trailing arm braces off the frame have significantly deteriorated. They need to be replaced. I have purchased replacement parts. I am not a welder and do not have a welding rig. So I need to find a shop capable of doing this work.

    What I am asking is if anyone has a recommendation for a shop in the vicinity of Northern Virginia than can do this work.

    Thanks in advance for your time.
    I can't offer a name for a welder in your area, but muffler shops typically have very good welders working there.

    Dick

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    • #3
      See pm for excellent shop in VA.
      SR
      73 TR6. HT/AC/OD
      86 930
      91 535i

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      • #4
        I have a set of trailing arms that are not cracked if your interested in replacments inlieu of welding yours. $100 each. I am going to 6 pack trials and can take them with me to save shipping.
        Let me know as I leave Wed at 6 AM. 585-737-9557

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        • #5
          Hey Doc,
          Sorry, I need to be more clear on my description. My Trailing arms are not cracked or broken. It is the outriggers(braces, as mentioned before) from the frame upon which the trailing arms mount that are the problem. They are a known failure point in these cars. As I was re-attaching my trailing arms after a major overhaul of the rear suspension, rust was found to be pervasive, causing the outriggers to collapse under torquing of the mounting bolts.

          So, I don't need any parts, just a shop capable of removing/replacing these frame outriggers. Thanks, though for your offer.

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          • #6
            We have a guy in the Capital Triumph Register (local DC area Triumph club) that is in the same predicament as you and has found a guy in Maryland who will replace the rusted out frame outriggers without removing the body. If interested, PM me and I’ll get you his contact info. Also recommend joining the Capital Triumph Register. Great club and very active.

            Doug
            1973 TR6, BRG w/bone interior; restoration completed 2017
            1968 TR250, started complete restoration Sep 2017; currently BRG but going back to original Signal Red

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            • #7
              Replacing the outriggers “in car” will likely require cutting through the floor or parcel shelf to access the top of the frame. Faced with a similar predicament (rotted out outrigger), I opted for a rehabbed frame and a frame-off. If the frame is already out, of course, it’s a different matter. I gave my original frame to a guy who had a “tame” welder (ie, wasn’t paying retail for the welding needed to repair the outriggers)
              Dave C
              '72 Sapphire #CC82360UO
              Chapel Hill NC

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              • #8
                My mechanic (Toronto area) was able to install outrigger repair sections that I purchased from Moss (I believe) without taking the body off. He lifted the car and braced the frame to the lift so that nothing moved, then proceeded with cutting out and welding in. The repair sections have a removable sidewall that allows you to access inside for end-welding before you weld the sidewall in place. He did the work last winter and the alignment didn't budge - I'm happy with the results. I have a ton of pictures if anyone is interested in how he went about the job, including a home-made t-shirt plate.
                Derek McAllister
                Toronto
                ’74 Sapphire blue CF22200U
                Fan Eliminator. ZS Carbs (my rebuild)
                Poly Bushings, RG Trailing Arm Brackets.
                Gear Reduction Starter, Points(!),
                due for a rebuild (98k mi, lotsa oil leaks & consumption)

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                Trailing Arm Welding

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