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Technical Master cylinder and disc brakes?

Discussion in 'The Hokey Ass Message Board' started by dtwbcs, Aug 9, 2018.

  1. dtwbcs
    Joined: Nov 15, 2011
    Posts: 867

    dtwbcs
    Member
    from Brenham,TX

    1958 GMC 1/2 ton truck GMC 302 engine with 3 speed OD transmission.
    Looking to convert to 6lug disc on the front; with a dual master cylinder(possibly power assist)mounted on frame.

    Where is the best deal on what i need? Will the power assist mc work with my transmission?
     
  2. oldsman41
    Joined: Jun 25, 2010
    Posts: 1,556

    oldsman41
    Member

    You should google disc brakes for 1958 gmc a see what hits you get when you find stuff message the vendor andd ask if they will fit your application.
     
    dtwbcs likes this.
  3. David Gersic
    Joined: Feb 15, 2015
    Posts: 2,734

    David Gersic
    Member
    from DeKalb, IL

    Power brakes are vacuum driven. They don’t care what transmission you’re using.



    Sent from my iPad using The H.A.M.B. mobile app
     
  4. dtwbcs
    Joined: Nov 15, 2011
    Posts: 867

    dtwbcs
    Member
    from Brenham,TX

    With the 3 speed OD transmission-
    I read that some power assisted mc setups wont work due to clearance issues?
     

  5. David Gersic
    Joined: Feb 15, 2015
    Posts: 2,734

    David Gersic
    Member
    from DeKalb, IL

  6. gimpyshotrods
    Joined: May 20, 2009
    Posts: 23,333

    gimpyshotrods
    ALLIANCE MEMBER

    Get a remote booster. Put it wherever.
    [​IMG]
     
  7. gimpyshotrods
    Joined: May 20, 2009
    Posts: 23,333

    gimpyshotrods
    ALLIANCE MEMBER

  8. squirrel
    Joined: Sep 23, 2004
    Posts: 56,085

    squirrel
    Member

    I had Camaro disc brakes on my 57 Suburban, and a manual dual master cylinder mounted close to the stock location (back several inches) with an aftermarket bracket. The brakes worked ok, but it did take some pedal effort. But I think it was a 1-1/8" bore master, if you use a 1" then it should work pretty well, you get a little more "leverage" that way.

    there is not much room under there for a power booster...lots of stuff in the way.
     
    dtwbcs likes this.
  9. Chiss
    Joined: May 12, 2017
    Posts: 236

    Chiss
    Member
    from S.C.

    There's Kits using your Spindles, They use a Rotor off of a Newer Model K-Series 6 lug Chevy. You get Brackets that Bolt to your Spindles for the Calipers.
     
  10. dtwbcs
    Joined: Nov 15, 2011
    Posts: 867

    dtwbcs
    Member
    from Brenham,TX

  11. gimpyshotrods
    Joined: May 20, 2009
    Posts: 23,333

    gimpyshotrods
    ALLIANCE MEMBER

    I doubt a conventional booster will fit.
     
    dtwbcs likes this.
  12. dtwbcs
    Joined: Nov 15, 2011
    Posts: 867

    dtwbcs
    Member
    from Brenham,TX

    Agreed. Going with a manual mc setup.
    THANKS 4 the advice PEOPLE !
     
    gimpyshotrods likes this.

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