Originally Posted by SSSoon
I don't think the streaking is related to the holes - I thought that originally but no real pattern. And, also, it IS on all four rotors, and the back pair are not slotted, just OEM.
Back rotors were turned just a little prior to installing these last week, just to flatten them out.
What you see from the Cobalt Friction pads is what I expect to see. I think you are correct about the streaks being from the pad material. I think you are operating at the thermal edge of operation.