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Let's talk brake pads

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  #16  
Old 11-25-2008 | 07:52 AM
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Originally Posted by mathism
Throw on some of the cup car brake duct spoilers. They are supposed to help with cooling and are cheap.
Good luck out there!
Not a bad idea. I changed them on both my Porsches and it does make a difference in brake cooling.

Here is a picture of the differences.

Boxster < GT3 < Cup

 
  #17  
Old 11-25-2008 | 09:05 AM
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How much are the ducts? I've a turbo bumper on my 996. Do you think it will fit anyway?
 
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Old 11-25-2008 | 09:46 AM
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Originally Posted by deputydog95
How much are the ducts? I've a turbo bumper on my 996. Do you think it will fit anyway?
The ducts attach to the front suspension arm in front of the front brakes (so it won't matter what bumper you have, they will fit).

I can't remember how much I spent, but I can remember that the CUP ducts were stupid expensive compaired to the Stock or GT3 Ducts. If I recall correctly someone told me the new 997 GT3 and 997 GT3 Cup ducts also fit and that the 997 GT3 Cup ducts were waaaay less than the 996 Cup ducts.

Call up Suncoast or The Racers Group (or ask the question on the Rennlist Racers forum), they should know.
 
  #19  
Old 11-25-2008 | 10:05 AM
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The ducts I got were $20 a side. I don't have the part numbers handy though...

-td
 
  #20  
Old 11-25-2008 | 10:12 AM
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Originally Posted by himself
The ducts I got were $20 a side. I don't have the part numbers handy though...

-td
Which ducts are you running?
 
  #21  
Old 11-25-2008 | 10:55 AM
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  #22  
Old 11-25-2008 | 11:16 AM
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I got mine from Suncoast. I'm not sure now if they are the Cup or the GT3 - whichever was the more reasonably prices is what I got.

Dep Dog - are you changing your rotors?
 
  #23  
Old 11-25-2008 | 07:07 PM
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Originally Posted by mathism

Dep Dog - are you changing your rotors?
Nope, keeping the rotors. I'm just going to upgrade the pads, bleed the fluid, and maybe add some of those 997GT3 ducts. For $30, why not?
 
  #24  
Old 11-26-2008 | 08:00 AM
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I also went with SS steel lines... the brake feel is so much better than than stock... this is heavily debated as well. I would do this mod over and over, regardless of what people say...
 
  #25  
Old 11-26-2008 | 09:50 AM
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Originally Posted by Redridge
I also went with SS steel lines... the brake feel is so much better than than stock... this is heavily debated as well. I would do this mod over and over, regardless of what people say...

I asked my shop about SS lines. They didn't seem to be fans, stating that even cup cars come with rubber lines and that I wouldn't feel the difference. He said the only big advantage is that there's much less of a chance of debris damaging the SS lines, thus keeping you in the race. I've had them on bikes before and I couldn't tell the difference.
 
  #26  
Old 11-26-2008 | 10:54 AM
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I went with new OEM pads, 997GT3 ducts from Suncoast and SRF fluid, plenty of feel and no fade even after 4 laps of the Ring.
 
  #27  
Old 11-28-2008 | 07:53 AM
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Time for a front brake job on mine too. So much to learn and so little time.
 
  #28  
Old 11-29-2008 | 07:18 AM
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I'm going to buy the 997 GT3 ducts. Suncoast is running that sale so it should be like $27 for the pair. Luckily I can skip the shipping since my office is about ten minutes from them.
 
  #29  
Old 12-10-2008 | 03:18 AM
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I like Carbotech pads. They're very good to your rotors, work in a very wide temperature range, but can handle heat and heavy track use w/o fade. The downside is noise on the race pads, and a lot of dust.
For your described use, probably AX6's, or maybe Bobcat's would be the right compounds to consider: http://ctbrakes.com/faqs#compounds1

Originally Posted by deputydog95
I need to replace my stock pads in the 996.

I found it amazing that the pads were only half worn with 28K miles on my car, and I managed to destroy the other half (literally) in about two months with 2 auto-x events and one track day. I actually had to cut my track day short (only by about 2 laps) due to complete pad wear. I got the dash warning as well as the old "pedal to the floor squishy brake" warning

Anyway, I need pads and the car is grounded for the time being.

What should I get? I plan on doing at least 3 DE events in the upcoming year and maybe a little auto-x'ing.

Should I put factory pads in there or go for some sort of upgrade?
 
  #30  
Old 12-11-2008 | 11:59 PM
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Hawk pads and Brembo fluid

My 2 cents (although probably worth half of that). I'm running an 03 996 coupe and boiled the stock fluid (while melting the brake sensors) on my first track day. This is my 4th 911 I have tracked and never had this problem before. I went to Hawk HP + http://www.raceshopper.com/hawk_brake_compounds.shtml , $230 for a set of front and rear, Brembo 600 fluid http://www.raceshopper.com/brembo_lc...ke_fluid.shtml , and gt3 brake ducts from Suncoast.

Compare the stats on the Brembo fluid to the "gold standard" Castrol :
BremboŽ LCF 600+ (DOT 4) brake fluid has an exceptionally high
dry boiling point of 601F and a
wet boiling point of 399F.
Brembo LCF 600+ also offers up to a 10% reduction in compressibility at 350F compared to other competitors' fluids.

$19.95 Per 1/2 Liter bottle

Castrol:


Castrol SRF
This is the ultimate racing brake fluid!
(Dry 590/Wet 518)
$74
.95 (1 Liter)
So the Castrol costs twice as much for almost the same dry temp (we're not worried about wet....you do flush that fluid before the track day, right?).


The Hawks dust up quite a bit, squeal a little, but have lasted through 5 track days at Sebring and still have pad left. There's no issue with them when cold on the street and they work great (here's a video link. http://www.youtube.com/watch?v=WJhYub_jCZE ) Start at 3:30 and see how I catch the Bimmer in the brake zone.

I don't own any stock in Raceshopper, Hawk or Brembo but I can recommend them.
 


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