Quote:
Originally Posted by Focusedintntions
The RB rotors are 2mm thicker. They also have more braking surface area due to the fact they aren't cross drilled all over, just in the slotted areas. I'd like to see a 2 piece rotor such as this for our cars with only slots or jhooks. I don't want drilled from my track application as they will crack there. All crossed drill rotors will crack from heat cycles.
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On our test mule the ECS 2 Piece rotors saw hundreds, if not thousands, of high speed stops ranging from 60 to 0, to 100+ to 0, back to back to back, pushing them as hard as possible. They have yet to show any signs of cracking.