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Thread: What size tubing

  1. #1
    Join Date
    Jan 1970
    Location
    Cessnock NSW
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    What size tubing

    Can anyone advise me as to the size of the tubing (delivery pipe) is used on a 1955 Series 1 from under the brake fluid reservoir to the master cylinder.
    My vehicle currently is fitted with 3/16" O/D tubing which has a small but irritating leak, no matter how tight I screw up the fittings it still leaks??, should this tubing be 1/4"OD tubing the same as S2/2A etc, cheers Dennis

  2. #2
    Join Date
    Jan 1970
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    Cessnock NSW
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    In anticipation

    While waiting for a response of which I'm reasonably confident that 1/4" will the size of the tubing, I rounded up 2 fittings male n female in 7/16"UNF that accept 1/4" bundy tubing, I have made a double flare on one end, both fittings have had tap n die across them

    this is the dilemma, 1/4"OD tube on the left 3/16"OD tube and the size of the outlet on the reservoir, a double flare on the 3/16" tubing would ? maybe only just cover the outlet on the fitting on the reservoir

    so in the meantime I have mowed the lawn again lol cheers n twiddling thumbs Dennis

  3. #3
    Join Date
    Jan 1970
    Location
    Narre Warren South
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    Dennis,

    Looks like you've sorted it but that pipe on my '56 is 1/4", rest of the vehicle is 3/16"


    Colin
    '56 Series 1 with homemade welder
    '65 Series IIa Dormobile
    '70 SIIa GS
    '76 SIII 88" (Isuzu C240)
    '81 SIII FFR
    '95 Defender Tanami
    Motorcycles :-
    Vincent Rapide, Panther M100, Norton BIG4, Electra & Navigator, Matchless G80C, Suzuki SV650

  4. #4
    Join Date
    Jan 1970
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    Yes I took it all to pieces, by geez I need new glasses as the pipe in question was indeed 1/4" O/D (duh) I will snap an image of both ends of this pipe, how this ever worked or held fluid when this vehicle was registered is beyond me, I have made a new pipe and there was no leak after 10 minutes, but then a storm developed dropped the outside temp by more than 15 degrees in a few minutes rain wind hail lightening noise++++ anyway nothing like a boom crash opera, cheers Dennis
    ps here are 3 images of both ends of the tubing, the first image shows the dent in the ? double flare

    and note the end is not square to the tube on both ends

    the M/cyl end

    anyway all fixed now, no leaks after 3 hours,,.

  5. #5
    Join Date
    Jan 1970
    Location
    Cessnock NSW
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    Still dry after an overnight lul, checked it all, OK yippee, cheers Dennis

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