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Originally Posted by minaret
Switched from Cool Carbons to PFC08 on centric blanks and ATE type 200 for Buttonwillow this past weekend. Had severe judder from pad transfer I assume. Right brake duct area occupied with ducting for ER sport oil cooler. Followed bed-in procures weekend prior then DD before track event. Welcome brake ducting suggestions.
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Pad-transfer is a bit of a myth.
Super heat your brakes on the street and transfer a nice layer of pad material onto the rotor. Then drive around the block a few times normally. You'll notice that nice layer of brake pad you just transferred to the rotor face is now wiped off. The rotor will be clean and all pad material will be gone.
That pad transfer helps adhesion on track, but it will actually cause brake judder if it's not getting removed from the face of the rotor evenly. A few days of daily driving and the rotor face should be nice and clean again.
"Break-in" procedures with new pads are more for wearing off the exterior coating on the pad that they sometimes come shipped with. A track pad like a pcf-08 will almost instantly scrub off any pad material left behind by your old pads. Transferring a layer of PCF-08 material onto the rotor would require heating them up with something like 10x back0to-back 130-20mph stops... something almost impossible to do on the street.