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damper fitment question

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  • damper fitment question

    I'm wondering if anyone could help me confirm that these dampers will fit my car - I have a 2003 DeDion with widetrack wishbones. My DeDion tube is the kind with the damper mount on the bottom.

    http://www.blatchat.com/T.asp?id=108428

    FWIW, The Freestyle guys said that these shocks would fit a 1998 Superlight...

    Cheers,

    Tom
    Tom "ELV15" Jones
    http://PIErats.com

  • #2
    Alex sold them - did you buy them?
    Chris
    ------------
    A day you don't go a hundred is a day wasted

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    • #3
      Should fit, but I cannot guarantee it.

      The De Dion tube was re-designed at the end of 2001, but the location of mounting points did not change.

      Wide track means a longer line between the outer tip of the lower a-arm and the upper mounting point in the chassis. I don't know if this is an issue or not.

      Only one way to find out...

      /Magnus F.

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      • #4
        Chris,

        I do have dibs on them, but may have to pass as they don't look like they will fit. :(

        It sounds like there were two DeDion Mounting points - one through the tube and one under the tube. The earlier cars had the through the tube mounting - mine has the under the tube mounting.
        Tom "ELV15" Jones
        http://PIErats.com

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        • #5
          Tom,

          I have the freestyle dampers on a 98 superlight with widetrack, and the only information I gave them when ordering was that. I wasn't aware of the through the tube vs under the tube mounting. Mine is under the tube. If Freestyle said these would fit a 98, I would assume they are the same as mine, and should work for your car. Please forgive the rust on the frame in these pictures - I'm planning on fitting new bushings all around, and will repaint the frame when I do this.

          Justin
          Attached Files

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          • #6
            Justin,

            Sorry to inform you, but that revision of the tube is prone to failure where the damper fitting detaches from the DeDion tube itself. Not a fun experience.

            EDIT: You may actually have a version that is considered safe, check http://blatchat.com/T.asp?id=94283 to see which one you have.

            See: http://www.californiacaterhamclub.co...read.php?t=517 for an extended discussion on the subject.

            /Magnus F.
            Last edited by magnusfeuer; May 7, 2008, 11:18 AM.

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            • #7
              Magnus,

              Yikes! Thanks for the info. I had no idea. Mine is the "version 3" type with the through-the-tube mounts, as well as sleeves welded below for longer dampers. This is the type that is prone to failure. Will have to see about getting a new dedion tube. I've been thinking of trailering the car out to Colorado this summer and dropping it off at RMSCI to have them replace all of the suspension bushings. This might be a good time to replace the dedion tube.

              Justin

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              • #8
                You might be able to modify your DeDion tube as shown in the attached photo. This is how mine came from the factory, just an added brace and it's much stronger. No known failures with this style.

                You can replace the bushings yourself without taking the car to Colorado. Check with David Laird how difficult / easy it is as I have not yet done this. I do have a few spare bushings.

                All the photos from the Blatchat study on DeDion tubes have been removed.

                Doug
                Attached Files
                Last edited by Doug Liedblad; May 7, 2008, 12:48 PM.

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                • #9
                  Doug,

                  Thanks for the photos! That looks like a much more reasonable solution than replacing the whole tube!

                  I was just revealing my lazy side. I do enjoy working on cars, but have some pretty dismal memories of pressing/cutting/chipping/peeling/drilling out old suspension bushings. It's probably much less work than I imagine, but since I'm driving out to Colorado anyway this summer, I thought of letting them go through the car and do some of the work for me. Probably won't since just getting the car back and forth will be as much work as doing it myself.

                  It looks like I need to just pull the whole rear suspension apart soon, get the De Dion tube welded, replace all the bushings, and strip and paint it. Maybe August - it's too hot to track then anyway!


                  Thanks,

                  Justin

                  Comment


                  • #10
                    Thanks guys,

                    I took one of my rear dampers off and measured it fully extended - it was 18 1/2 inches from eye to eye - the Avo dampers in question were only 16 1/2 inces. Since this did not seem to match up I passed on purchasing them.

                    Cheers,

                    Tom
                    Tom "ELV15" Jones
                    http://PIErats.com

                    Comment

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