997 2005-2012 911 C2, C2S, C4, C4S, GTS, Targa and Cabriolet Model Discussion.
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Need best rotors for track use!!!

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Old Jul 26, 2007 | 03:35 PM
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Need best rotors for track use!!!

Stock rotors finally cracked on my 997S... any suggestions?
 
Old Jul 26, 2007 | 04:36 PM
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How many miles and tracks days did they have on them?
 
Old Jul 27, 2007 | 07:29 AM
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Originally Posted by mdrums
How many miles and tracks days did they have on them?
40k miles and 20 to 25 track days
 
Old Jul 27, 2007 | 07:55 AM
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Yep time for new ones! Why not get the stock ones again?
 
Old Jul 27, 2007 | 07:59 AM
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thought about it...

car is turning into 75% track car and I heard slotted aftermarket 2 pc rotors will last twice as long as stock rotors on the track...
 
Old Aug 2, 2007 | 06:47 AM
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I've been on a few lists to get the PFC 2-piece floating rotors when the are released for the 997S. No other options out there that I know of. 20-25 track days on a set of oem rotors is fantastic. Mine had grooves and spiders already after just a couple of days.

The PFC Direct Drive is already available for the 997, just not the S yet. It should drop some nice unsprung weight and when new discs are needed, simply bolt on some new ones and reuse the hub.

http://www.performancefriction.com/pages/rotor_tech.htm

Joe Marko over at HMS has the 997 version -- waiting to hear back from them for a set for the 997s.
http://www.performancefriction.com/pages/rotor_tech.htm
 
Old Aug 2, 2007 | 07:57 AM
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If you track your cars as much as that would you consider buying the oem ceramic brakes for your 997s...They are supposed to be the best regarding weight, feel and track use--right>?
 
Old Aug 2, 2007 | 10:54 AM
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Originally Posted by wizo
If you track your cars as much as that would you consider buying the oem ceramic brakes for your 997s...They are supposed to be the best regarding weight, feel and track use--right>?
would love ceramics but not ready to dump the 14k on them... Definitely will get them when I move up to GT3 or turbo though...
 
Old Aug 2, 2007 | 11:19 AM
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Nope, the track guys I know are all using oem steel - including the race teams. One little "ding" and there goes a rotor (they are fragile). I've never wanted for more braking than I have, but I would like lighter weight and thus the $1k 2-piece Direct Drive PFCs are on my radar (about the same price as steel oem I expect).
 
Old Aug 2, 2007 | 02:02 PM
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I thought they were half that price-like a 7k option..

You are right, for a 1/3 of that cost you will be able to find a much better application for the value and especially if you plan on serious duty work. That way again in a year or so replacement will be not bad..-Or how ever many track days they take.

I did not know ceramics were that fragile. If you car was under warranty, would they brakes then not be covered?
 
Old Aug 2, 2007 | 02:08 PM
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The PFC 2-piece rotors are very nice, I have them on my STi and I love them. After 20+ track days on the rotors I have no warping, cracking, or anything like that and I'm hard on brakes. Last weekend I boiled Motul RBF600 and my rotors still kept on keeping on.
 
Old Aug 2, 2007 | 02:34 PM
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Rotors are never warranty items that I know of. Version 1 of Ceramics caused major problems years ago. Massive failure percentage and from what I read at the time, Porsche did not help the owners. Rotors, pads, tires -- al wear items. So, you pick up a rock and chip / crack a ceramic rotor, you are on your own. What I've heard happens is when changing wheels / tires and / or brake pads you might slip and the wheel make contact with the rotor and chip's ahoy.

I really think ceramics sound great on paper, but if you are doing lots of tracking, stick with cheap and durable steel. So many GT3 users start with ceramic and when they have a problem, switch to oem steel. I can't say I've heard of a ceramic user getting a 2nd set of rotors - only steel.
 
Old Aug 2, 2007 | 02:48 PM
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Originally Posted by RonCT
Rotors are never warranty items that I know of. Version 1 of Ceramics caused major problems years ago. Massive failure percentage and from what I read at the time, Porsche did not help the owners. Rotors, pads, tires -- al wear items. So, you pick up a rock and chip / crack a ceramic rotor, you are on your own. What I've heard happens is when changing wheels / tires and / or brake pads you might slip and the wheel make contact with the rotor and chip's ahoy.

I really think ceramics sound great on paper, but if you are doing lots of tracking, stick with cheap and durable steel. So many GT3 users start with ceramic and when they have a problem, switch to oem steel. I can't say I've heard of a ceramic user getting a 2nd set of rotors - only steel.
Thanks for the insight... definitely something to consider...
 
Old Aug 2, 2007 | 04:23 PM
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Ok now you got me worried and I dont even have the freaking car yet...I hope they are not as fragile as you say and I really hope I never have a problem with them. Are the new ceramic brakes as problematic as the older ones??
 
Old Aug 3, 2007 | 09:23 AM
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they are definetly not as problematic. My understanding is that Porsche got rid of all the initial problems. As far as "chips ahoy" lol I sure hope not
 


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