Quote Originally Posted by mp5o
IIRC The high end cars/race cars do not use cross DRILLED rotors. They are cast(or w.e.) that way. Take a somewhat thin piece of steel and try to bend it.... Wont bend right? Now drill holes in it.... Now it bends...
No they arent, the holes are not cast. I will pay for a picture of the casting process where rotors are cast with the holes.