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Registered
Join Date: Sep 2007
Location: Wheaton, IL (Chicago 'burbs)
Posts: 3,141
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SC rotors are 20.5mm
Carrera are 24.0mm
Carrera front calipers are the same as SC except for being spaced wider for the 24mm rotors, both use the same 48mm pistons.
SC rear calipers use 38mm pistons
Carrera rear calipers use 42mm pistons
Carreras have a pressure limiting valve in line with the rear brakes to reduce the pressure to the larger rear pistons under threshold braking.
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Ed
'86 911 Coupe (endless 3.6 transplant finally done!)
'14 Jeep Grand Cherokee 3.0 Turbodiesel (yes they make one)
'97 BMW 528i (the sensible car, bought new)
'12 Vintage/Millenium 23' v-nose enclosed trailer
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