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67 cj wheel cylinders

Discussion in 'Early CJ5 and CJ6 Tech' started by OHALE, Feb 26, 2010.

  1. Feb 26, 2010
    OHALE

    OHALE New Member

    TEXAS
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    I have a 67 cj w/ 231 does anyone know if the early manufactor cj's had 66 style brakes. Everthing i read says 67's have a split master cylinder. Mine doesn't. Also the wheel cylinders look to be the earlier style.
     
    OHALE, Feb 26, 2010
    #1
  2. Feb 26, 2010
    sparky

    sparky Sandgroper Staff Member Founder

    Perth, WA
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    Federal mandate for dual chamber MC started on the 1968s I thought?
     
    sparky, Feb 26, 2010
    #2
  3. Feb 26, 2010
    OHALE

    OHALE New Member

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    May have i have just seen duel m/c referenced for the 67. That's why i/m asking
     
    OHALE, Feb 26, 2010
    #3
  4. Feb 26, 2010
    nickmil

    nickmil In mothballs.

    Happy Valley, OR
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    '67 was the year the mandate was passed but was not mandatory until '68. That's why some vehicles switched in '67 and some in '68. The '67 Tux V-6 I just parted had a single reservoir master cylinder.
     
    nickmil, Feb 26, 2010
    #4
  5. Feb 26, 2010
    w3srl

    w3srl All-around swell dude Staff Member

    Port Orange, FL
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    A lot of '67 vehicles had the dual MC, some still had a single. Dad had a '67 Impala with a dual, my uncles '67 Biscayne still had a single. My understanding was that '68 standards required the dual MC, along with side marker lights, seatbelts and closed crankcase systems among others.
     
    w3srl, Feb 26, 2010
    #5
  6. Feb 26, 2010
    windyhill

    windyhill Sponsor

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    all '67 cj5's I've seen still had a single.
     
    windyhill, Feb 26, 2010
    #6
  7. Mar 1, 2010
    Patrick

    Patrick Super Moderator Staff Member

    Los Alamos, NM
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    Me too.
     
    Patrick, Mar 1, 2010
    #7
  8. Mar 1, 2010
    panzer

    panzer Super Mod Staff Member

    Columbus, OH
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    My friends '67 has a dual.
     
    panzer, Mar 1, 2010
    #8
  9. Mar 1, 2010
    fletcher0780

    fletcher0780 Member

    Connecticut
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    I've got an early 67 and a late 67. The early has a single MC and the late has a dual.
     
    fletcher0780, Mar 1, 2010
    #9
  10. Mar 1, 2010
    chipmc

    chipmc 67 pos

    findlay, oh
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    my 67 has dual resivoir and step bore so it must be late 67 cj5 and 10" brakes.
     
    chipmc, Mar 1, 2010
    #10
  11. Mar 2, 2010
    Chianti10

    Chianti10 New Member

    Pittsford, NY
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    My 67 has a single. It's memorable because it's low in the engine compartment and you have to access it through the cutout in the driver's side floorboard. The cap on mine is stuck and I can't get it to move with the limited room down there.
     
    Chianti10, Mar 2, 2010
    #11
  12. Mar 2, 2010
    curliegreen

    curliegreen New Member

    Frankfort NY
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    I have a 67 with single MC and 10" or should I say it did. Putting on 4 wheel dics and Fedex today dropped off the Herm's dual MC kit.
     
    curliegreen, Mar 2, 2010
    #12
  13. Mar 3, 2010
    windyhill

    windyhill Sponsor

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    Try a socket and a universal on a 2 foot extention and access it from under the hood.
     
    windyhill, Mar 3, 2010
    #13
  14. Mar 3, 2010
    kaiser_willys

    kaiser_willys Well-Known Member

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    x2 and if you have one of those long funnels you can fill it from there too;)
     
    kaiser_willys, Mar 3, 2010
    #14
  15. Mar 3, 2010
    chipmc

    chipmc 67 pos

    findlay, oh
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    i use a short funnel w/rubber hose pushed on it .... and access it w/long extension as well
     
    chipmc, Mar 3, 2010
    #15
  16. Mar 3, 2010
    nickmil

    nickmil In mothballs.

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    I found a marinade syringe with a hose on the end is cleaner and works quite well also.
     
    nickmil, Mar 3, 2010
    #16
  17. Mar 3, 2010
    SmokinIdahoan

    SmokinIdahoan Avian Flu Controller

    Twin Falls, Idaho
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    thats a GREAT idea - i never thought of that one - thanks! Not only for filling your MC, but probably good for lots of things - like filling my ross box (and not dumping gear oil all over LOL) :beer:
     
    SmokinIdahoan, Mar 3, 2010
    #17
  18. Sep 18, 2012
    jay Knowles

    jay Knowles New Member

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    My 67 has dual master cylinder but 9" brakes. Also the wheel cylinders on it look like the ones used up to 1953?
     
    jay Knowles, Sep 18, 2012
    #18
  19. Sep 18, 2012
    PeteL

    PeteL If it wasn't for physics, and law enforcement... 2024 Sponsor 2023 Sponsor 2022 Sponsor

    Hills of NH
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    "Originally Posted by Chianti10
    My 67 has a single. It's memorable because it's low in the engine compartment and you have to access it through the cutout in the driver's side floorboard. The cap on mine is stuck and I can't get it to move with the limited room down there."




    Be careful with un-stucking that cap. It may be cast metal, and replacements are hard to find.
     
    PeteL, Sep 18, 2012
    #19
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