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#1
03-10-2003, 02:56 AM
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Brembo rotors at TireRack
...there seem to be a lot of discussion concerning cross-drilled vs. slotted vs. standard rotors...but not really a good thread comparing some of the aftermarket standard rotors...I've noticed a few standard aftermarket rotors that are replacement for the OE rotors, and the price difference is pretty much nil...I was look at the FastLane, and noticed rotors from Balo, Zimmerman, and ATE (Teve)...these are all just normal rotors (no slots, no drills)...I also noticed these Brembo rotors from Tirerack:
Brembo rotors Anybody ran through a few rotors made by these different brands to come up with a good comparison? OR, are the performance difference between these rotors almost indistinguishable, it doesn't even matter? Thank you for any information...
__________________
 1995 black pearl/black Mercedes-Benz E420  :
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#2
03-10-2003, 04:38 AM
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When you drill holes in rotors (or slotted) you lose effective friction area. Pads are the most important item in the braking system. If you could increase the size of your rotor it would help in your braking because the applied torque to stop the car would be a lot less. But you would either have to go to different calipers or make brackets to move the calipers out.
Last night I took a customer car (92 Honda Accord, yeah a ricer) out for a spin. He was telling me how his handling sucked, but how great his upgraded brakes were. (Slotted and Drilled standard sized rotors, Metal Master pads, S/S brake lines) After a few turns up the hill I lost his brakes and they overheated! Oh and i forgot to mention without the proper type of air flow to the rotors the drilled holes are useless. except to look pretty?
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#3
03-25-2003, 01:42 PM
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Slotting also should help with outgassing without the problems associated with cracking around the cross-drilled holes. After having a couple sets crack on me, I no longer buy drilled rotors. I think they are a gimmick more than a performance enhancement.
The real "drilled" rotors are not drilled at all. The mega-buck rotors you see on turbo Porsches aren't drilled, those holes are CAST into the rotor, and they don't crack. But unless you're buying a ~$2000 brembo kit with those rotors, forget finding them for non-Porsche applications (AFAIK). I have heard talk of cryo-treating rotors but I'm not sure how much this helps. Get OE or slotted rotors and the best pads you can afford (Porterfield, Textar Yellow, etc), S/S lines, and use ATE SuperBlue fluid and you should be happy... Regards,
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