03-12-2006, 06:23 PM
Maengelito Wrote:as for the slot/drilled argument, porsche uses ceramics as opposed to the cast iron rotors most other cars have.
Thats only an expensive option on the 996/997's.
Maengelito Wrote:they also cast the holes in rotor so the material isnt weakened by the x-drilling
Porsche's holes are drilled also - there isnt a longevity benefit over cast in holes over the drilled holes, provided they are both properly chamfered to relieve stress I dont think.