Lightweight Bumperette Mounting Question

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  • SafeAirOne
    Overdrive
    • Apr 2008
    • 3435

    #16
    Weird.

    So it's welded up/sealed off inside this hole where it attaches to the chassis? Looking at the method of mounting to the chassis, bumper dimensions and construction, it looks non-factory, though I'm not familiar with air-portables.

    You might consider getting a 1" hole saw and cutting a few strategically-placed holes.

    --Mark

    1973 SIII 109 RHD 2.5NA Diesel

    0-54mph in just under 11.5 minutes
    (9.7 minutes now that she's a 3-door).

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    • jac04
      Overdrive
      • Feb 2007
      • 1884

      #17
      This is what factory Lightweight bumpers look like:



      Comment

      • SafeAirOne
        Overdrive
        • Apr 2008
        • 3435

        #18
        Ahh...so they DO mount to the chassis horns differently than "normal" series bumpers...
        --Mark

        1973 SIII 109 RHD 2.5NA Diesel

        0-54mph in just under 11.5 minutes
        (9.7 minutes now that she's a 3-door).

        Comment

        • Duckman
          Low Range
          • Sep 2010
          • 43

          #19
          Fantastic pics jac04. Really helps me understand what a standard LW bumber looks like.

          SafeAirOne - As I stated I really don't want to go cutting on the bumper. Besides the fact that it would be a giant pain in the butt I am also afraid of creating a pocket where moisture can sit and turn into rust.

          Still leaning towards riv-nuts but man that original bumper has me thinking. Great plan - spend $500 ona new bumper just so I can mount bumperettes that cost me $50.
          sigpic
          1974 Ex MOD Series III Lightweight/Air Portable

          Comment

          • jac04
            Overdrive
            • Feb 2007
            • 1884

            #20
            Silly question -
            Do you have the correct Lightweight-specific bumperettes?
            If you try to use non-Lightweight bumperettes, they can interfere with the front lifting eyes and they cover too much of the headlights.

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            • mrdoiron
              4th Gear
              • Dec 2009
              • 446

              #21
              Originally posted by jac04
              That's an interesting bumper. Looks to be a homemade unit. It also looks thicker than a factory bumper. If it's thick enough, you could possibly drill & tap for mounting the bumperettes. Another option would be to get a proper Lightweight bumper.
              I think you're right jac, I saw Andy at the Dallas Cars for Coffee today and told him the same - definetly seems custom fab'd, pretty heavy duty.

              mike
              ---------------------------
              1961 Ser IIa Hybrid Defender
              1969 Ser IIa Bugeye
              1980 Ser III Lightweight 24V RHD- sold
              1988 LR90 turbo diesel RHD - currently frame off rebuild in progress
              1998 Disco - ex wife :-(
              2000 Disco - RIP , end over end 2.5 times
              2010 RR Sport Supercharged


              http://mikerovers.shutterfly.com/

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              • Duckman
                Low Range
                • Sep 2010
                • 43

                #22
                Mike - It was good seeing you at C&C today and thanks for taking a look at the bumper. The more I look at it the more I think you and jac are right.

                I did a test fit of the bumperettes when I got home. The mounts extend about 1/4 past the bumper. The top mounting holes are right at the back end of the bumper. So much for worrying about how to run bolts through those. Probably going to try just front bolts and see how that goes, if wobbly then will yank bumper and weld.

                Good news is they don't interfere with the lights in any way.
                sigpic
                1974 Ex MOD Series III Lightweight/Air Portable

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