Quote:
Originally Posted by Kevin 1G Drummer
I understand your theory on the pads scrubbing off the old pad transfer, but where do you think that old pad material goes? The answer is into the new pad, most likely causing the shudder you're experiencing. Like you said, your new pads are porous (most pads are, yours are just more porous than most) and all you're really accomplishing is collecting the old pad material into your new pad. It doesn't just magically disappear during the scrubbing process.
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I'm not disagreeing with you, but I don't know if the pads will absorb the old material or simply grind it off. These are sintered pads, not organic. The theory also is not mine, I'm guessing we can approach the many race pad manufacturer's regarding it. If I had to hypothesize my understanding of the theory, I'd say the sintered pad provides much more friction that any organic pad could at these low temperatures, their abrasive nature grinds the rotor clean. Both rotor and pad produce dust and I'm sure that's where a lot of the material goes. The bed in procedure will definitely lay a good layer of the new material on the rotor. Hopefully this gets rid of the shudder/judder.
The judder/shudder/etc that I felt was not a recent occurrence and was not a result of my new pads being installed and absorbing old material. It was present for over a year and was the cause of my POS GiroDisc Magic Pads not being up to the task, littering my rotors with deposits.
Quote:
Originally Posted by scheides
If the screeching doesn't go away after the bedding process, I would consider getting the rotors turned (or swapping in a set of new rotors). Hughes had this problem on his IX w/ a different brand of pads and we tried a ton of different things to rid it. In the end, a set of turned rotors cured the squeaks!
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I agree, and that's what I plan on doing if bedding them doesn't help the judder.
Remember, the judder I'm experiencing was already present before I switched pads. It was not caused by the pads.
-Jalal
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