I’ve ran the R1 concepts D/S with OE Pads, steel lines, MOTUL 660 fluid. I’ve got them pretty hot on mountain road runs many times, no issues.
Best Brake discs for Ford Focus
I was more than happy with my R1 Rotors at Sonoma 2 weeks ago. I felt a bit of pulsing when I got the brakes especially hot, but I never had any real fading.
I run centric blanks on a focus st and even on track the rotors haven’t been the problem and focuses are extremely hard on the front brakes because of the ediff. Pads and fluid is where you want to spend your money upgrades on brakes
I upgraded to stoptech drilled rotors with the posi quiet pads. I'm happy with the performance on street for spirited driving, and they create much less dust than my old Hawk HPS pads.
I have the same pad compound but I end up just buying some cheap Centric blanks. The rotors end up taking in so much heat that they'll end up with a crack here and there. I just end up tossing the rotors and pads, they're relatively cheap so it doesn't bother me much.
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