Rocky Mountain Parabolics

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  • Jim-ME
    Overdrive
    • Oct 2006
    • 1379

    Rocky Mountain Parabolics

    Does anyone know if Rocky Mountain uses different size u-bolts with their kits or will regular Land Rover u-bolts work?
    Jim
  • jp-
    5th Gear
    • Oct 2006
    • 981

    #2
    Their U-bolts are larger than stock Land Rover ones.

    You have to slightly drill out the spring retainer plate.

    Stock U-bolts will work, but why not fit the larger ones?
    61 II 109" Pickup (Restomod, 350 small block, TR4050)
    66 IIA 88" Station Wagon (sold)
    66 IIA 109" Pickup (Restomod, 5MGE, R380)
    67 IIA 109" NADA Wagon (sold)
    88, 2.5TD 110 RHD non-hicap pickup

    -I used to know everything there was to know about Land Rovers; then I joined the RN Bulletin Board.

    Comment

    • Jim-ME
      Overdrive
      • Oct 2006
      • 1379

      #3
      Rocky Mountain Parabolics

      I tried to order their u-bolts and they are backordered for several months. I don't want to wait that long to install the new axle assembly. Do you know what size the larger u-bolts are?
      Jim

      Comment

      • jp-
        5th Gear
        • Oct 2006
        • 981

        #4
        Just call up Ray, and tell him to get on the stick.

        In the meantime, you can definitely use the Rover U-bolts.

        I think the larger bolts are 1/2" and the stock Rover are just under that. (7/16??)
        61 II 109" Pickup (Restomod, 350 small block, TR4050)
        66 IIA 88" Station Wagon (sold)
        66 IIA 109" Pickup (Restomod, 5MGE, R380)
        67 IIA 109" NADA Wagon (sold)
        88, 2.5TD 110 RHD non-hicap pickup

        -I used to know everything there was to know about Land Rovers; then I joined the RN Bulletin Board.

        Comment

        • I Leak Oil
          Overdrive
          • Nov 2006
          • 1796

          #5
          U-Bolts

          I don't think the original u bolts will work because the original spring pack is thicker so there isn't enough thread on the original bolts to run the nut down enough to account for the thinner RM spring pack. It's been a while since I put them on but I believe this is the case. I got mine at NAPA. I think they were 1/2" diameter, 3 1/8 inside dimension and I forger what length but should be easy enough to measure. The spring plates did have to be drilled out to accomodate the 1/2" diameter u bolts. I'm surprised Ray can't get them any sooner.....
          Jason T.
          Jason
          "Clubs are for Chumps" Club president

          Comment

          • yorker
            Overdrive
            • Nov 2006
            • 1635

            #6
            I always just get mine made up locally. Usually a carquest place or something like that. they can make whatever diameter and thread length I want usually and it costs something cheap. No real need to order anything from anyone.
            1965 SIIa 88",1975 Ex-MOD 109/Ambulance, 1989 RRC, blah, blah, blah...

            Land Rover UK Forums

            Comment

            • jp-
              5th Gear
              • Oct 2006
              • 981

              #7
              Originally posted by Jason T.
              I don't think the original u bolts will work because the original spring pack is thicker so there isn't enough thread on the original bolts to run the nut down enough to account for the thinner RM spring pack. It's been a while since I put them on but I believe this is the case. I got mine at NAPA. I think they were 1/2" diameter, 3 1/8 inside dimension and I forger what length but should be easy enough to measure. The spring plates did have to be drilled out to accomodate the 1/2" diameter u bolts. I'm surprised Ray can't get them any sooner.....
              Jason T.
              Good call Jason,

              I forgot about the thickness difference.
              61 II 109" Pickup (Restomod, 350 small block, TR4050)
              66 IIA 88" Station Wagon (sold)
              66 IIA 109" Pickup (Restomod, 5MGE, R380)
              67 IIA 109" NADA Wagon (sold)
              88, 2.5TD 110 RHD non-hicap pickup

              -I used to know everything there was to know about Land Rovers; then I joined the RN Bulletin Board.

              Comment

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