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Dan L said:
I ordered them but if you have to stop and think about spending $8000+ for simply brakes then proceed carefully.
There are several pros and cons to them.
In the plus column they are half the weight of the regular cast iron rotors. Since this is the unsprung weight you wind up having a slightly quicker handling car. This may not even seem noticeable by most drivers. They are highly corrosion resistant. Might be something of use by someone in a high sea air environment. They absolutely do not fade,--one hard stop after another. While I have never had a problem with 911 brakes over the years I wanted to ensure that I didn't have a problem with this one. They wear at a must slower pace compared to the standard brakes. I looked at some PCCBs on a guy's 966TT and he stated that he had 20,000 miles on the car,--you couldn't see any wear,--unfortunately, I was unable to mic the rotors to put a number to this subjective evaluation. Dust,--a thing of the past.
The overriding 'con' for the PCCBs is of course the initial price and the cost of replacement rotors down the road. (The special matching brake pads run about $350 for a set up front compared to about $250 for the normal S pads). I'm counting on a couple of things happening in that regard. I suspect that I won't need new rotors for over 100,000 miles at the earliest. (While I have done many track events over the years with past cars I never had to replace a rotor with standard 911 brakes). The other thing I'm counting on is the manufacturing costs to come down in the future. Thus far they have come down from over $20,000 for these brakes to about $8,000.
The feel with these brakes is perfection. Smooth, with no odd sounds or feedback from the pedal. There is no doubt that they will be hampered more by the tire choice than anything else when it comes to stopping distances. With PCCB, the modern ABS brakes, high quality tires, and a reasonable road surface, they give you tremendous confidence.
Dan