Quote:
Originally Posted by M Fifty
EVO magazine did a side by side comparison of 2 Jaguar F Type V8s on a disused airfield - one with and one without CCBs.
The test was repeated 100-0mph emergency stops with no cool down time beyond the time it took to get back up to 100mph.
The CCBs were more consistent over repeated cycles, but only started to significantly outperform the iron brakes after 10+ cycles.
They concluded that the benefit of CCBs were reduced fade and minimal wear in what was a pretty extreme test, but that the only thing you would notice in normal use was that you didn't have to replace the pads.
They did also mention reduced rotational and unsprung mass.
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Well then it must be true!
Did they weigh the discs before and after to see if how much mass the discs lost? Did they note any wear on the surface of the discs after the test? Did they mention the cost of replacing the discs once they were destroyed? Did they take disc, caliper, and pad temperatures to see how hot the brakes were actually running?
Our article is based on
100+ years of experience in the brake industry, helping many thousands of people solve their brake issues, from pro racers to common enthusiasts. We have many, many instances of customers destroying their carbon ceramic discs. Here's
a gent we helped just last week with his 991 GT2RS.
He destroyed his discs in 3 track days/3500 miles, and was asked to pay $29,000 to replace them.
In addition to the thousands of real-world examples we've lived through, we also
have a brake dyno at our facility on which we do constant testing.
Just to be clear, I have nothing against Evo Magazine. I got my first subsrciption to Evo about 20 years ago from my girlfriend, who I ended up marrying. I think the Evo subscription was a legitimate part of my decision.
You have to realize though that these one-and-done magazine brake tests are never terribly scientific, and contain a huge number of uncontrolled variables. Also, who do you think is paying to keep Evo Magazine afloat? Their advertisers, one of whom I'm sure is Jaguar.
Don't believe the hype. Carbon ceramics are great for the street, but with current technology they just can't hang with a proper iron setup for extended racetrack abuse.