Originally posted by Pascal:
...snip Whatever material is in between the holes for the pad to grip on will stay wet? What am I not getting here.. 
..and if you've ever measured the temperature at which brakes run when you start pushing them a littlem, you'll see that water probably vaporizes before it even reaches the rotors.[/QB]True... but think of this... if you 'happen' to be on the interstate while it's raining and you suddenly need to stop, the water that collects on the discs ( since they're not hot ) needs to go somewhere ( thus the holes... ) to provide better braking.
All of this of course is moot... as drilled rotors on cars don't REALLY get THAT wet. but... blahbittyblah....
--JamesT
