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  •  » 1966 brake question

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    5/08/2014 3:19 AM  #1

    jollem
    FYI FORD Member

    Offline

    From: New Zealand
    Registered: 4/02/2013
    Posts: 48

    1966 brake question

    Power boosted,discs front ,drum rears.Always touchy 1st tiny touch on pedal.
    Right auto pedal by M/S specs however if i lift the pedal up it comes up about half inch from its resting posittion. Should this be only a little bit?
    and would the half inch  slack be sort of like changing the pin posittion making the first bit of pressure
    on the pedal touchy? Other than that brakes very good.  

     

    5/08/2014 8:04 AM  #2

    MS
    Forum Originator

    Offline

    From: Canyon Lake, Texas
    Registered: 1/24/2013
    Posts: 11,725

    Re: 1966 brake question

    Touchy brakes are usually wrong pedal ratio, too small of a master cylinder bore, or a defective booster.

    You should not have any play between the pedal and the booster.  Pedal should not pull back at all.  Sometimes a missing bushing at the pedal pin connection will cause some slack, but not a touchy pedal.

    Provide some detail so every response is not a guess in the dark.

    What car is this?
    What year is the car?
    What brakes do you have in front?
    What booster and how old?
    What proportioning valve?
    What are the rear brakes?  Are they adjusted properly?
    Master cylinder plumbed properly?

    Money you enjoy wasting is NOT wasted money... unless your wife finds out.
     

    5/09/2014 4:22 AM  #3

    jollem
    FYI FORD Member

    Offline

    From: New Zealand
    Registered: 4/02/2013
    Posts: 48

    Re: 1966 brake question

    1966 mustang coupe
    Drum rears adjusted properly
    will get photo of master cylinder and booster (3 yrs old now) and prop valve on the weekend
    after posting photos will adjust pedal rod
    All was fitted just before i bought car
     

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