To (pcc)B or not to (pcc)B? That is the question.
09-12-2009, 02:17 PM
#46
Nordschleife Master
I have had two 911s with Iron rotors and two with PCCBs(both GT3s). The turn in quickness was noticeable on the GT3s over the 993 TT (Iron) but this new 911 with Irons is great. If its a financial concern dont get them and dont worry. There are stoptech brake track setups that are probably cheaper and lighter than PCCBs Sharkwerks and GMG both sell them and I am sure other shops sells replacements. If your streeting only then PCCBs are very nice. tracking heavily then they are just another wear item and you will consume them. THe grey area is in the 5 track days a year guy.
Pogue remind me not to play poker against you!!!LOL
BOB at Bobs Brake shop- no way would I buy PCCBS!
Pogue remind me not to play poker against you!!!LOL
BOB at Bobs Brake shop- no way would I buy PCCBS!
09-12-2009, 03:58 PM
#47
Rennlist Member
I have them on my 997.1 and I would get them again ... if necessary take the rotors off and mount
steels if you plan to track the nuts off of your car ...
steels if you plan to track the nuts off of your car ...
09-13-2009, 08:45 AM
#49
09-13-2009, 10:23 AM
#50
Instructor
Join Date: Jun 2006
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Agree with all the positive comment. The later pccbs are outstanding and I'd spec them on any new Porsche.
Whilst the initial cost may seem expensive, the benefits should justify their inclusion on any GT3 or TT.
Only exception might be if the car was going to be used extensively in a demanding track environment, where consumable costs are an issue.
Whilst the initial cost may seem expensive, the benefits should justify their inclusion on any GT3 or TT.
Only exception might be if the car was going to be used extensively in a demanding track environment, where consumable costs are an issue.
09-13-2009, 03:42 PM
#51
09-13-2009, 07:28 PM
#53
Three Wheelin'
When it comes to wheel weight, I can feel a difference of a pound per corner in acceleration and braking. It also helps to keep the tire in contact with the ground when the pavement isn't smooth, which can help braking, handling and acceleration.
I wanted PCCBs since the weight difference is huge. To me, PCCBs seem cheap (assuming they last as Porsche claims, or they get cheaper to replace) when compared to cutting the same weight from wheels.
I wanted PCCBs since the weight difference is huge. To me, PCCBs seem cheap (assuming they last as Porsche claims, or they get cheaper to replace) when compared to cutting the same weight from wheels.
09-14-2009, 09:42 AM
#54
09-14-2009, 11:03 AM
#55
Intermediate
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I had always been on the fence about PCCBs until I got a Scuderia which had them stock.
I won't go back to steel brakes. Once they are seated, the amount of stopping power they provide is short of phenomenal, not to mention the fact that they consistently perform as they were designed.
I won't go back to steel brakes. Once they are seated, the amount of stopping power they provide is short of phenomenal, not to mention the fact that they consistently perform as they were designed.
09-14-2009, 11:34 AM
#56
Instructor
If :
* The 997.2 red brakes are 2.4 kg lighter than the 997.1 red brakes despite being uprated. The was mainly down to the aluminium centre hubs.
* The 997.2 yellow brakes are 4.8kg lighter than the 997.1 yellow brakes despite being uprated. The was also mainly down to the aluminium centre hubs.
Source: https://rennlist.com/forums/6675622-post27.html
Original thread: https://rennlist.com/forums/997-gt2-...uninger-2.html
And if the previous PCCBs were about 10.4 lbs lighter per cornner than the previous steels. How much lighter are the new PCCB's Vs the new Steels now?
What most people fail to have noticed, is that the new PCCBs lost twice the weight, the new Steels lost.
(997.1 PCCBs Vs 997.2 PCCBs/ 997.1 Steels Vs 997.2 Steels) If that info above is correct.
* The 997.2 red brakes are 2.4 kg lighter than the 997.1 red brakes despite being uprated. The was mainly down to the aluminium centre hubs.
* The 997.2 yellow brakes are 4.8kg lighter than the 997.1 yellow brakes despite being uprated. The was also mainly down to the aluminium centre hubs.
Source: https://rennlist.com/forums/6675622-post27.html
Original thread: https://rennlist.com/forums/997-gt2-...uninger-2.html
And if the previous PCCBs were about 10.4 lbs lighter per cornner than the previous steels. How much lighter are the new PCCB's Vs the new Steels now?
What most people fail to have noticed, is that the new PCCBs lost twice the weight, the new Steels lost.
(997.1 PCCBs Vs 997.2 PCCBs/ 997.1 Steels Vs 997.2 Steels) If that info above is correct.
edit... just re-read the entire section on brakes for the new gen gt series cars. I totally missed the part where they talk about the new alum hubs on the Ceramics. This makes a major difference in how they must feel. I havent driven the new car with ceramics. I only drove one with steel rings. I will have to drive a Ceramic equipped vehicle and I will report back my findings. Sorry about that guys.
09-14-2009, 12:38 PM
#57
Rennlist Member
The latest traction and stability control systems rely heavily on the brakes. As experienced by a club member, he burned through a set of discs and a few sets of pads in as little as 3500 miles. With the systems turned off, he ws still burning through pads at an alarming rate.
He switched to a set of AP Racing iron rotors and has seen no disc fatigue, and almost zero pad wear in over a 1 1/2 of heavy track use.
His word to the wise, buy them for resale. Buy another set of iron rotors and pads if you intend to be a trackie.
He switched to a set of AP Racing iron rotors and has seen no disc fatigue, and almost zero pad wear in over a 1 1/2 of heavy track use.
His word to the wise, buy them for resale. Buy another set of iron rotors and pads if you intend to be a trackie.
09-14-2009, 09:50 PM
#58
There is, of course, a way to substantially reduce the weight of the PCCB package -- replace the stainless steel bells (hats) with high temperature aluminum (i.e., 2618 or 2219) versions isolated from the disks by titanium bobbins.
P.S. Another somewhat simpler but heavier, yet lighter than steel, way to go would be titanium bells as used in the Bugatti Veyron.
P.S. Another somewhat simpler but heavier, yet lighter than steel, way to go would be titanium bells as used in the Bugatti Veyron.
