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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Old Jun 4, 2007 | 07:38 PM
  #16  
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Originally Posted by Spencer
Its quite odd that they failed out of the blue. As already stated, they usually start fading more and more until they simply loose most/all of their stopping power.

I would attribute a sudden failure like this to a faulty master cylinder or a massive brake fluid leak....
Well, my plan is to find out first what the cause of the problem was/is. Then I'm going to:

Slotted Rotors (doesnt help with heat but does with cracking)
SRF fluid
Cup Car Ducts and 3in ducts in fascia if possible
GT2 rear ducts
Steel Braided Lines


OR

The 6 pot kit.
 
Old Jun 4, 2007 | 10:49 PM
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How much pad thickness did you have when this incident occured? I have found that if you have less than 4mm left, (1/4 inch), there is some significant heat transfer to the brake fluid. I could be much cheaper to change pads before they reach 4mm. This is now what I do with the GT3 Cup.

Another option is to run Pagid orange in the front. The make a lot of noise in the street but transfer less heat.

AW
 
Old Jun 5, 2007 | 04:06 AM
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What's the price on those?

I'm hoping that with the SRF Fluid and the much better ducting I did, I won't have as many issues. However, If I keep tracking this car past this season, I'll either get the P-car Yellow 6 pots, or the brembos.

Mike

Originally Posted by jstrat85
this is your only solution! thats what i did!







 
Old Jun 5, 2007 | 08:13 AM
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i think like 3gs
 
Old Jun 5, 2007 | 08:24 AM
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Originally Posted by jstrat85
i think like 3gs
Where did you order from, and is that just the 6 piston front kit?
 
Old Jun 5, 2007 | 09:12 AM
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I bought the Porsche 6piston Yellows with 350mm rotors at all 4 corners for 3995....This is the turbo swap, so the rotors have the correct offset as opposed to the GT2/3 rotors...
 
Old Jun 5, 2007 | 10:03 AM
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I really just want the fronts. Thinking about the 6 piston set from suncoast for $2500 w/ steel lines, and racing fluid.
 
Old Jun 5, 2007 | 10:04 AM
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Originally Posted by jstrat85
i think like 3gs
More pics of car in sig please.
 
Old Jun 5, 2007 | 11:43 AM
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go for 8-pot brembos
glad you're ok
 
Old Jun 5, 2007 | 12:10 PM
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brembo does not make the 8 pot any more. now they make the six pot wich are lighter thank the 8 pot and are better than the 8 pot. call sanders at the wheel supply and talk to him. his number is 19094681311 and tell him you saw them on johns car from new york.
 
Old Jun 5, 2007 | 12:15 PM
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Originally Posted by heavychevy
More pics of car in sig please.
im waiting for my wheels to come in so i can install my bbk, i also have the car at the body shop installing a gt2 front bumper. if you need more pics let me know.

john






 
Old Jun 5, 2007 | 09:00 PM
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Dez I will call you with the prognosis in the morning.Nice meeting DHinkle also.
 
Old Jun 6, 2007 | 01:13 AM
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on my last track day 2 weeks ago, I also experienced more than expected brake fade during the third session with the stock brakes after the 5th lap. Previous 2 sessions 15 laps each (2 miles each lap with 12 turns) with noticeable brake fade but easily manageable. I have subsequently ordered new brakes. Can't wait to install them. Don't worry, the Pirellis are temporary, pilot cup tires are coming.
 
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Last edited by cab4kw; Jun 6, 2007 at 01:16 AM.
Old Jun 7, 2007 | 05:43 PM
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Originally Posted by heavychevy
Well, my plan is to find out first what the cause of the problem was/is. Then I'm going to:

Slotted Rotors (doesnt help with heat but does with cracking)
SRF fluid
Cup Car Ducts and 3in ducts in fascia if possible
GT2 rear ducts
Steel Braided Lines


OR

The 6 pot kit.
I spoke with Mackenzie at Cdoc AND with the tech on PAGID's line... BOTH said the Pagid ORANGE pads suffer from heat build up. BOTH stated (Just yesterday, as I was thinking about buying RS19s for this coming weekend) that adding more significant brake ducting and SPINDLE DUCTS to the ROTOR HAT was what I should do... WHICH, as it would have it, is exactly what I did more than a month ago. I posted pics elsewhere about a month ago, but the bottom line is (And confirmed by both) that the GT3 ducts aren't enough for the twin turbo and no matter which pad you use, you have to get the cold air to them. I'll have a full report after this weekend's event.

Mike
 
Old Jun 7, 2007 | 11:57 PM
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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.
 


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