Originally Posted by reevlak
slotted & drilled are not for race only hence why a plethora of vehicles come equipped from factory with them. shit even the run of the mill MB c300 come with them which are FAR from race vehicles.
Yep they sure do, so does the 911 and other LIGHTWEIGHT cars that can use difference in mass to save a little bit of unsprung weight...again it is the right application for the vehicle. Those vehicles are lightweight and have enough thermal reserves to account for the negatives of the mass reduction but take advantage of the lower unsprung weight.
Those rotors also have those holes cast in - not drilled on some drill press in a monkey's garage, in addition to twice the carbon content of regular rotors to avoid heat stress and cracking and the proper pads to account for the increased stopping distances that high carbon content rotors will induce.
Ever see a NASCAR stock car with drilled rotors? Nope. They are slotted for pad out-gassing based on the materials used/per track. Rotors are twice as thick for mass - they would not think of reducing the thermal reserve capability.
Brake technology is not about looking cool - it is science.
Funny part is you have one of the worlds most over-engineered braking systems installed on your trucks already - but you choose to spend money to ruin it for some bling.