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Originally Posted by racer_d
The drawback to cross drilled is there tendancy to develop hairline cracks. Rule of thumb is once the cracks link one hole to another, the rotor is done. Slotted rotors don't behave this way and would likely be a better choice for your needs.
People don't re-surface rotors much anymore.
Also consider that a change of brake pad compound and brake fluid bleeding can have a greater impact on braking than simply changing the rotor.
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agreed. there's very little differenc in performance between flat, slotted or drilled rotors. there is, however, a HUGE difference in performance between pad compounds. if you REALLY want to stop well, realize that the weak link in your braking system is usually your tires, so upgrade those.
if you go to the track a lot, consider getting your rotors cryo treated. it's about $30 per rotor and will keep them from warping. they will also last much longer.