Here are the pics that display the result from using EBC red stuff pads with EBC rotors on my car for 3 months(front and rear) The sales guy said it might be caused by the pads or malfunctioning brake piston so the rotors are not under warrantee, but the mechanic said the caliper is working perfect and he is 100 percent sure it is caused by the material of brake pads. I emailed EBC three days ago, but have not recieved any message yet.

 

did you install the rotors and pads yourself? is there anyway that you (the installer) could have caused this? or you think its got to be a faulty pad?

 

The red pads are more for Track use.The green pads are for street use.

 

is that just surface damage or an actual groove?

 

A certificated local mechanic did the installation. He also pulled out and checked the pads and nothing stuck in between. Both sides of front rotors have the same scratch lines. I have EBC red stuff pads in front and metal master pads in the rear. The situation in the front is a lot worse than the rear. I have been told that I'd better not run them for a long term purpose. In my personal experience, I have noticed grinding noise in the front that I have never had before since I had EBC red pads on my car. I personally think the material of EBC red pads might be too hard for the rotors. When I touch the scratch, I feel like the tip of my finger was rubbing a little ditch. Resurfacing will not do anything.

 

Yup, unless you are tracking it you should have bought the greenstuffs

I can't tell from the pics. What exactly is the problem? Rotors are too red? (rust?)

I have greenstuff pads + powerslot rotors on my wife's Mazda3, and the only issue is squeaking. Everything else is fine.

 

The Reds should be fine for "sporty" street driving. If you still have the suspect front pads look at the surface of the pad materieal to see if there is a corresponding rise or ridge in the material the matched the groove in the rotor. If so, there may be something in the compound that is harder than the rest of the pad. Then raise a stink with the dealer/EBC. If the pad is flat or also has a groove then you picked up a piece of debris and you just gotta suck it up. Any good machine shop can tell you if the groove is shallow enuf to simply cut the rotors and install new pads. IMO, if you do not track the car, go back to stock type rotors (no slots, dimples, etc.) and save a lot of money by using the Raybestos semi metallic pads. Really grab well on the street and cheap.