996 Turbo / GT2 Turbo discussion on previous model 2000-2005 Porsche 911 Twin Turbo and 911 GT2.

Brake Failure!!!! On Track.

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  #31  
Old 06-08-2007 | 01:05 AM
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If you want to buy some cool brakes, please proceed. But if you really just want some reliable brakes, simply change the brake fluide to Motul 600 or Castrol SRF and retire your brake pads at around 4mm (1/4 inch) thickness.

I have experienced myself brake fade at laguna seca in a 911TT. This was with stock brake fluide. After switching to Pagid Orange, Motul 600 and last but not least, changing pads at around 4mm the problem never came back.

A very thin pad transmits quite a lot of heat to the brake line, whatever compound you use.

AW
 
  #32  
Old 06-08-2007 | 07:44 AM
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Originally Posted by Fabryce@GMGRacing
Guys brakes dont just fail.

There is probably something else that contributed to the failure or loss of braking.

I have tracked many a highly modified 996TT with stock brakes and never had an issue. This with stock rotors- upgraded pads - steel braided lines and
a good brake fluid like Castrol SRF.
Ditto that.
 
  #33  
Old 06-08-2007 | 11:36 AM
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Originally Posted by acw
If you want to buy some cool brakes, please proceed. But if you really just want some reliable brakes, simply change the brake fluide to Motul 600 or Castrol SRF and retire your brake pads at around 4mm (1/4 inch) thickness.

I have experienced myself brake fade at laguna seca in a 911TT. This was with stock brake fluide. After switching to Pagid Orange, Motul 600 and last but not least, changing pads at around 4mm the problem never came back.

A very thin pad transmits quite a lot of heat to the brake line, whatever compound you use.

AW
I had Motul in at the time. The Pads had 7 sessions on them (5 At Road Atlanta which isnt too hard on brakes) The pads are still pretty thick.

I agree with Fabryce, sudden failure is not acceptable to me, I have got to get to the bottom of this, and if I had in fact boiled fluid my brakes would have been smoking when I went off, well they werent. They had been earlier in the day when I let a friend drive. I am going for lines at the very least.
 
  #34  
Old 06-08-2007 | 01:25 PM
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As I said before, there has got to be an underlying issue here due to the fact that it was a sudden failure and not gradual.

Have you had the master cylinder checked yet?
 
  #35  
Old 06-08-2007 | 05:41 PM
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Dez She has just come back from the rack with a clean bill of health.

Neil
 
  #36  
Old 06-08-2007 | 06:50 PM
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Originally Posted by acw
If you want to buy some cool brakes, please proceed. But if you really just want some reliable brakes, simply change the brake fluide to Motul 600 or Castrol SRF and retire your brake pads at around 4mm (1/4 inch) thickness.

I have experienced myself brake fade at laguna seca in a 911TT. This was with stock brake fluide. After switching to Pagid Orange, Motul 600 and last but not least, changing pads at around 4mm the problem never came back.

A very thin pad transmits quite a lot of heat to the brake line, whatever compound you use.

AW
I have to 2nd and 3rd what others have said. Brake "fade" and a complete brake failure are two separate issues. Those advocating brake upgrades, there should be no need for "brake upgrades" in a $120K sports car that already has one of the best brakes in the world. If you want to spend $3k for the bling factor, then get the Brembo!
I tracked Road Atlanta for over 3 years (stopped a year ago). I was running group 4 with PCA , NASA, Audi, and BMW clubs. I did 7-8 weekends/year. I never exceeded the stopping power of my stock rotors. I used Hawk Blues and Hi-temp fluid and never experienced fade. I have hade brake fade in my Boxster, fade is gradual with alot of warning. You just don't lose all braking function and go off road.
 
  #37  
Old 06-08-2007 | 08:48 PM
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  #38  
Old 06-08-2007 | 09:20 PM
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I had the same thing happen once while mkaing laps in my brother's Viper at Buttonwillow in CA. Running clockwise into "Sunset" at about 115mph into a 90deg corner that normally takes about 60-70mph. My brother was in the passenger seat yelling "you better slow down", and I was screaming back "I'm trying to!!!". Ended up dragging it down to about 85mph using the engine's compression, making a very wide turn, and running off into the dirt on the outside of the turn.

Turned out the pads had overheated and come right off the steel backing plate.

 
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