Quote:
Originally Posted by runwhatyabrng
As soon as I posted decided to change them. Going carbotech xp10 front and xp8 rear Car is stock other than brake cooling ducts and 25 row cooler. Not worth the risk and the OEM pads will become emergency spares
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Wise decision. Rule of thumb for track days .... if there is anything less than 5mm or pad material left, change them.
The wear rate difference is between the first 5mm of pad material and the second 5mm of pad material is amazing. The purpose of that second 5mm of material is really to act as insulation for the caliper pistons.
Steel backing plate on steel rotor does not slow you down much either