double drilled?
#3
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Actually GM did a test on drilled vs. non-drilled and the drilled had better cooling and less fade compared to the non drilled. Drilled brake rotors do slow a car down better and it is exponential as speed increases. Drilled rotors have less fade. So, yes they do provide a benefit BUT they will CRACK under extreme use.
http://www.sae.org/servlets/productD...D=2006-01-0691
http://www.sae.org/servlets/productD...D=2006-01-0691