HELP identifying brake system

Discussion in 'The whoa and the sway.' started by PatricksBuick, Jul 28, 2019.

  1. PatricksBuick

    PatricksBuick PatrickBuick

    Dear V8-Buick friends,
    Humpytdumpty installed a disc brake system in my 67 Special. Unfortunately I have no idea what I have which makes it difficult to find out what I need to complete the system.

    Pls see pics attached.

    Does anyone have an idea who manufactured this? Parts numbers?

    Anything helps...



    Attached Files:

  2. GotTattooz

    GotTattooz Well-Known Member

    Looks like a kit from Johnny law motors. Part number JLM1819537 on eBay.

  3. Chi-Town67

    Chi-Town67 Gold Level Contributor

    Looks like a typical GM 68-72 A-body set up with aftermarket drilled and slotted rotors. What parts do you need to complete? Seems like everything is there in the pic.
  4. PatricksBuick

    PatricksBuick PatrickBuick

    I was drum/drum before.
    Research on v8buick makes me believe I should upgrade to a disc/drum master cylinder and install the combination valve. So far it still has the old drum/drum m/c and the distribution valve for that came in 67.
    Basically I am unsure if I can order the fitting parts on inline tube and be good or am I prone to unpleasant surprises????

  5. PatricksBuick

    PatricksBuick PatrickBuick

    The Johnny law stuff looks similar. Can’t get the number to match though....

    I seem to remember the 68 Camaro stuff is supposed to work.

    Are there any numbers on the brake hardware itself that could decode what I have?


  6. PatricksBuick

    PatricksBuick PatrickBuick

    Bump for myself... any input/confirmation would appreciated.

    Am I right assuming that the following should/could complete my half-baked brake system?

    Mastercylinder (drum/disc), 1 1/8 bore

    Proportioning Valve fror disc/drum (distribution. hold-off and proportioning function in one piece)

    Brake line front 3/16“ several meters/feet. any reason to go stainless?

    Brake line rear ¼“ several meters/feet

    Rear break cylinders (2x)



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