Quote:
Originally Posted by Blue Flame Restorations
What is the rotor size with this setup??
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C5 and C6 base rotors are 13x1.25". For comparison, your J55 rotors are 13x1.1". The C5+ rotors are noticeably thicker, they will take more braking to heat up than the J55's. If you stand them up next to each other, the C5 rotor is slightly shorter, but both are close enough to be called 13" rotors. The thickness of the rotor, plus a slightly larger caliper, is where the performance increase comes from.
There is no performance difference between C5 and base C6 brakes. However there is a cosmetic difference. The C6 caliper is painted grey and has larger "CORVETTE" lettering. The C5 base caliper is just rough aluminum, and the C5 Z06 caliper is painted red. The C6 Z51 uses the same caliper, but a different caliper bracket. It has a 13.5x1.25" rotor. However, the rotors are expensive, and might not fit in your wheel.
C5 and C6 rotors are also interchangeable but different. C5 rotors have directional vanes, C6 rotors have radial vanes.