Howdy Ernie I think you will find that with the damn antilock systems we have today no rotors are any better than stock with these new vehicles. Before antilock came to pass the weak link was the tires, even then the stock brakes were more powerful than the grip the tires had on the pavement. Slotted or drilled or whatever rotors might cool quicker on a track where the brakes are used hard every 30 seconds.. but for a street vehicle no difference from stock should be noticed.
Big JIm <img src="/forums/images/graemlins/pfft.gif" alt="" />

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