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Thread: GD brakes

  1. #1
    Join Date
    Mar 2017
    Location
    Surrey
    Posts
    82

    GD brakes

    What calipers are used in the AP front brake upgrade. AP, obviously, but what are the piston diameters and what is the model/type of the caliper?

    Also, what is the diameter of the Master Cylinder used (manual, not servo assisted brakes)?
    K e n
    _/_/_/

    "He who dies with the most toys wins"

  2. #2
    Join Date
    May 2004
    Location
    Finchampstead, Berkshire, UK.
    Age
    54
    Posts
    3,693
    Hi Ken,

    They are CP5200 (assuming they’re still available), Master Cylinder umm not entirely sure without crawling into the secret space but fairly certain that it’s 0.75” off the top of my head.

    They’re very good!

    Rgds
    Jim
    GD Mk3 Jag based
    Supercharged LS1
    GD J1M

  3. #3
    Join Date
    Dec 2008
    Location
    Newcastle upon Tyne
    Posts
    1,898
    Ken,

    I have it on good authority that the front M/C is 0.625" and the rear is 0.75" with a pedal ratio of 5:1 but, as always with brakes, it might be best to double check.

    Hope this helps,

    Ian
    Pilgrim Sumo Mk3; IVA Apr. 2014; RV8 3.9 EFi ; Cosworth T5; Granada Donor
    Phase Two underway - Conversion to Japanese

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