Road & Track or Car & Driver magazine recently ran a test of a few aftermarket brake kits. In the article they mentioned the drilling or "venting" was there to provide an escape for pad material. This is needed more under the repeated hard-braking found in road racing conditions than in most of the use our vehicles see. Dana
> I am no expert, but I thought the whole point of cross > drilling was to dissipate heat. > > Thanks, > Chris
From: Doktor Tim
>>The only good thing drilled rotors will do is shed water >> > for better braking > >>in the rain. Every hole is less mass to absorb heat, more >> > potential for > >>stress risers and cracks, and cooler running is just >> > speculation. |
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