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Technical Mid '60's GM Hydraulic M/C, Clutch ?

Discussion in 'The Hokey Ass Message Board' started by brigrat, May 28, 2019.

  1. brigrat
    Joined: Nov 9, 2007
    Posts: 5,618

    brigrat
    Member
    from Wa.St.

    A few question's first so that maybe I won't have to tear into the unit.
    A. What is the bore size of the brake side, what is the bore size of the clutch side?
    B. Where there different bores available for diff. years and or application?
     

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  2. seb fontana
    Joined: Sep 1, 2005
    Posts: 8,483

    seb fontana
    Member
    from ct

    Usual is 1-1/8 bore for both clutch and brake, swap the residual valve and good to go if firewall mount..I did have one that had a brake bore of 1-1/4 and clutch bore of 1-1/8 but don't know what the application was..
     
    brigrat likes this.

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