Those discs were overheated. That's the way discs looks on cars with
small brakes looks like after driving for a week at the German autobahn,
or after any long distance competition. Did you know that some car
manufacturers put smaller brakes for cars sold in USA? For a number
of reasons but the most common is customer demand to be able to
use smaller diameter wheels than standard size.
Thomas
Howard Fletcher wrote:
>
>
> Thickness ultimately is a safety issue - the disks could heat and shatter
> if they are thin and develop deep cracks, I once saw a 930 Porche with
> cracks that looked about .5mm wide (and probably 3mm deep) all over racing
> disks - sitting in a race track car park with Targa Tasmania stickers on it
> - the driver must have had a death wish.
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