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Originally Posted by z12358
I always thought that cross-drilled rotors were simply about increasing the rotors' surface for better heat convection (i.e. cooling). More holes produce more surface for the heat to radiate from. That and the spoiled aerodynamics (turbulence, ventilation) from the holes translates into faster cooling of the rotors. Looks like the plasma explanation is a more scientific way of saying the same thing.
I was not aware that they cannot be shaven just like standard rotors, though. Something to keep in mind.
Z.
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Hi,
Again, this is an advantage to drilling the rotors, but ventilating the rotor is primarily for cooling. Some disks are slotted to aid in removing the plasma created too...
Happy Motoring!... Jim'99