Quote:
Originally Posted by Tcoat
The surface on cast rotors shows surface rust very quickly. That rust has zero effect on the wear or life of a rotor. None. Zip.
Rotors for some cars are indeed small and light enough they should be replace with each set of pads. Ours are not those. You should easily get 3 sets of pads or more out of a set during normal driving.
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Not zero, obviously. If you're getting three sets of pads on one set of rotors you should trade your BRZ for a Prius.