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Thread: Dual Master Cylinder Conversion

  1. #46
    Join Date
    Oct 2006
    Location
    Seattle
    Posts
    1,430
    Dennis has some pictures of his completed job about ten entries above this. That is exactly what was done to a few of our members cars during tech days when existing lines were used.

    as Roger stated, the best route is all new lines, this coupler idea is a close second.
    Last edited by Jeff W; April 21st, 2016 at 08:29 PM.

    Jeff Watson
    Seattle, WA
    '63 Tudor Wagon (170 - 3 spd.)

  2. #47
    Join Date
    Jul 2013
    Location
    Federal Way
    Posts
    906
    Darn...mine is "almost" done, but you know how that goes. Hopefully I can test it this weekend or next, but I don't want to publish any pics until then. Looks really nice though! (Thanks to Larry and Roger and Jeff and Kenny...)
    Don Bartlett
    Federal Way, WA
    61 Four Door Sedan
    144-6, 3 on the tree



  3. #48
    Join Date
    Jul 2013
    Location
    Federal Way
    Posts
    906
    Here are some pics of my dual master install... believe it or not does fit.
    It's all bled and nothing leaks...but I still need to adjust the brakes, clutch, and tranny linkage before I can take it for a test drive.
    Attached Images Attached Images
    Don Bartlett
    Federal Way, WA
    61 Four Door Sedan
    144-6, 3 on the tree



  4. #49
    Nice job bending and looping those lines! Looks like a clean install.

    Kenny Likins
    Ballard, Seattle, WA
    www.redfalken.com

    `62 Tudor Sedan (`69 200, C4, 8-inch 4-lug 2.79 rearend, Duraspark II, MSD, Weber 32/36 DGEV)

  5. #50
    Join Date
    Jul 2013
    Location
    Federal Way
    Posts
    906
    Mostly due to Larry and Roger for sure...but I did redo a bend or two to get it all to line up with the clips
    Don Bartlett
    Federal Way, WA
    61 Four Door Sedan
    144-6, 3 on the tree



  6. #51
    Join Date
    Oct 2006
    Location
    Seattle
    Posts
    1,430
    This photo was sent to me by a friend that was at Hot August Nights in Reno. Is this some sort of quad master cylinder or am I missing something? Not sure exactly what I am looking at.

    I am guessing it is in a 63 convertible by the toy on the air cleaner.
    Attached Images Attached Images

    Jeff Watson
    Seattle, WA
    '63 Tudor Wagon (170 - 3 spd.)

  7. #52
    Join Date
    Aug 2009
    Location
    Sequim
    Posts
    2,117
    Could be a dual MC and a dual hydraulic clutch? But why would you need a dual clutch assembly?? Interesting.
    63 Sedan Delivery
    5.0 HO EFI AOD 8" rear

  8. #53
    Really looks like 4 dual masters, but it's not really clear. I guess he figured that with all the restrictions he had with shock towers he'd capitalize on the available space without those and just go crazy, uh, I mean, rationally exuberant. Or maybe he's an engineer at Boeing and he's built in multiple redundancy.
    Roger Moore

    63 "Flarechero"
    powered by: 347ci stroker | Tremec T5 | 8" 3:45 TracLoc rear



  9. #54
    Join Date
    Oct 2006
    Location
    Woodinville, WA
    Posts
    451

    Brake Balance?

    Another idea is that he might have a balance bar to adjust front-to-rear brake bias. A fairly typical race car setup uses two master cylinders, side by side, and a horizontal bar which activates both. One MC is for front brakes, the other for rear. The front-to-rear balance can then be adjusted by revising where the brake pedal presses on the bar.
    Gary MacDonald
    ROGER's...
    EX... '63 Hardtop
    Had...
    Scarebird front discs
    200 w/ CI alum head
    C4

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