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Thread: brakes (tiger cat 1 0

  1. #1
    Junior Member
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    Apr 2010
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    brakes (tiger cat 1 0

    i have fitted willwood powerlite 4 pot callipers and pads with new discs (previously std ford sierra calipers and green stuff pads)
    i have bled all there is to bleed and all seems ok
    but the brakes do little to stop the car,
    they have covered about 20 miles with constant braking to bed in
    the master cylinder is ok (std sierra)
    help please

  2. #2

    Re: brakes (tiger cat 1 0

    More details....
    Is the pedal spongy and lots of travel is required to stop the car?
    Is the pedal hard? If so, do the brakes get smoking hot during average hard stops?
    What diameter rotors are you running?
    Did you upgrade the rear brakes too?
    What kind of brakes are on the rear?


  3. #3

    Re: brakes (tiger cat 1 0

    Quote Originally Posted by gjbspark
    i have fitted willwood powerlite 4 pot callipers and pads with new discs (previously std ford sierra calipers and green stuff pads)
    i have bled all there is to bleed and all seems ok
    but the brakes do little to stop the car,
    they have covered about 20 miles with constant braking to bed in
    the master cylinder is ok (std sierra)
    help please
    It sounds like your master cylinder does not have a bore large enough to move the fluid needed by 4 piston brakes. You will need a fairly large bore master cylinder.

  4. #4
    Junior Member
    Join Date
    Apr 2010
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    4

    Re: brakes (tiger cat 1 0

    the pedal is not spongy...feels normal
    rotors are 257 as supplied in kit
    dont know if brakes are smoking hot...hot for sure
    rear,s are std sierra drums
    the diameter of the master cylinder is said to be ok for this set up at 22mm....again by those who
    supplied the kit
    the pedal ratio is also ok at 5 to 1
    more thoughts please

  5. #5

    Re: brakes (tiger cat 1 0

    Quote Originally Posted by gjbspark
    the pedal is not spongy...feels normal
    rotors are 257 as supplied in kit
    dont know if brakes are smoking hot...hot for sure
    rear,s are std sierra drums
    the diameter of the master cylinder is said to be ok for this set up at 22mm....again by those who
    supplied the kit
    the pedal ratio is also ok at 5 to 1
    more thoughts please
    Wilwood has a few different brake pad options. http://www.jegs.com/vpt/Wilwood/Brake-Pad
    We had the same issue here too. We just changed the pads so a softer lining that will wear out sooner instead of a racing material.

  6. #6
    Junior Member
    Join Date
    Apr 2010
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    4

    Re: brakes (tiger cat 1 0

    thats the next step
    supplier is sending differant pads to see if thats the problem

  7. #7
    Junior Member
    Join Date
    Apr 2010
    Posts
    4

    Re: brakes (tiger cat 1 0

    problem solved

    pads were no good

    new set fitted

    car stops on a tanner now.......that shows my age

    thanks to those who tried to help

  8. #8

    Re: brakes (tiger cat 1 0

    Ok...I give. Whats a "tanner"?

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