Marcos Peguero
Zone Head
Posts: 568
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posted April 18, 2005 06:51 AM
Brake problems at the track
I reccently changed the stock pump with a radial pump I got from a person.
I whent to the track and found that the brake lever was fading, the racers told me to use the brand they use Motorex 5.1, I chhanged it and let the brake lever on for couple of days like VH says,
I whent to the track and it starts fine but after 10 laps the brakes lever neds more leverage, I enter the pits and the calipers are very hot, I let them cool down and the lever gets better.
One day I bleeded the brakes at the track and the brakes where better.
I have SS lines and Versa Pads
Sugestions:
Do I have to replace the pump seals? I dont see any leaks.
   
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BA
Pro
Posts: 1592
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posted April 18, 2005 01:08 PM
Just curious, how did it do before the change to the radial pump? Same pads? (what kind?)
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Marcos Peguero
Zone Head
Posts: 568
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posted April 18, 2005 03:10 PM
Same pads, same everything, except the pump
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Hells Dark Lord
Needs a life
living life, and loving it.
Posts: 7981
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posted April 18, 2005 05:25 PM
sounds like they are over heating. Not really sure what you can do. Does the radial pump hold as much fluid as the stock one? Less fluid less heat transfer, faster overheating. Another thing you can try is drilling the rotors, to give them better heat disapation, that will get costly. Or some after market rotors.
Might just need to change out to a different type of pad. I woudl call a break manufacturer and ask them. Sounds like the new pump is over taxing the rest of the system. Or not allowing it to cool properly.
Just throwing things out, cause i really am not sure........
____________
When in doubt, lean farther and go faster....
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Marcos Peguero
Zone Head
Posts: 568
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posted April 18, 2005 05:28 PM
I tool out the back plates of the calipers to see if that helps.
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Marcos Peguero
Zone Head
Posts: 568
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posted April 19, 2005 05:04 PM
Im buying the master cyclinder seals.
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BA
Pro
Posts: 1592
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posted April 19, 2005 05:58 PM
quote:
sounds like they are over heating. ........
that's what I was driving at too, just more slowly!! 
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Marcos Peguero
Zone Head
Posts: 568
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posted April 19, 2005 06:01 PM
I will replace all the pump seals and see if there is any diference in the lever.
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