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Originally Posted by Jet-Lee
Not all current brake pads have the slot in the middle.
I've had 3 different pads on my my car, and all faded horribly when under hard braking. I'll be getting slotted rotors next time around.
It's not the slots on the rotor that cause more pad wear, it's the more abuse put on the pads because they're not fading anymore. If you notice, the slots run in an arc. If they were perpendicular to the tangent of the hub, then yes, because it would be like a potato-peeler shaving a layer off. It's like rolling a big cylinder over a line in the sidewalk. If you go head-on, you get a nice dip and bump. Go at an angle, and you don't even know it's there and it has no effect whatsoever. Make sense?
EDIT-Organic pads, some of the cheapest brands, still do out-gas. That's the reason for the slots in the middle of the pad. If they didn't out-gas, why are there slots in the middle?
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1. Show me a set that does not have the slot in the middle. If they exist then they must be some of the cheapest pads out there.
2. The slots are what chew up the pad, plain and simple. Run your hand across a blank rotor and run your hand across a slotted rotor. The slotted one is more abrasive.
3. Brake fade is caused by boiling brake fluid, inadequate pads, and rotors that are too small for the weight of the car. Cross-drilled rotors will increase the chances of brake fade, not reduce them since you are reducing the rotors capability to dissipate heat.
4. Duh, that is what I said. I said outgassing isn't a problem anymore because of the slot in the middle.
