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Old 12-09-2003, 05:15 PM   #1
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Slotted vs drilled vs oversized ...brakes

Attached is a very long and painful discussion of the benefits and detriments of various types of brake rotors.

The reason I include it here is that there is actually some very good information in this thread once you get beyond the egos and can recognize the fact from the fiction. Some very good links and sources of some unbiased information are buried in the ranting, raving, and name calling.

Knowledgeable and unknowledgeable people participate in the discussion and it becomes apparent who is bluffing and doesn't know how to bow out of the discussion gracefully.

I hope i never see this kind of discussion here. The moral is its ok to admit you don't know something. Its worse to pretend you're an expert especially when there's other experts who are willing to chew you up and go to any length to do it.

If nothing else this thread is great for entertainment. Don't take sides too quickly, you'll change a half dozen times before its over!

http://www.altimas.net/forum/showthr...7&pagenumber=1


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Old 12-10-2003, 10:47 AM   #2
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OMG, was that post horrible. It is one huge opinated post with little factual content. Its basically a "I think these are cool, thus they must be the best" kind of post.

Quote:
Crossdrilled rotors-by design, crossdrilled rotors were designed for track use. Why? Because, when you drill holes in your rotors, they are designed to dissipate heat (not to rid of brake dust as most people think).
Wrong. By crossdrilling the rotors, you just effectively reduced the surface area of the rotor, and decreased the amount of mass it has, thus reducing its ability to absorb and dissapate heat. The only gains are a slightly lighter rotor. (Its rumored that it originally came about because of old brake pad designs released gasses, causing pad float. The holes allowed those gasses to escape. New pads don't do this)

Quote:
a)They rock
b)They look awesome
c)NO SQUEALING, NONE, NONE, WHATSOEVER NO SQUEALING
d)Did I tell you they look awesome
e)Increased stopping power
Gee, thats sure full of technical reasons...

The only good thing he posts in there is this:

Quote:
Finally, the difference in rotors is not much, but it is there. You all have heard of cracking rotors, warped rotors and so forth and so on. I PROMISE YOU ALL, if you buy good stuff, it will last. If you buy junk, it won't last. Be aware of companies with no name brand slotted rotors, you must be aware that there are only a handfull of companies that in fact slot/drill Brembos, so make sure you only buy the good stuff.
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Old 12-15-2003, 12:33 PM   #3
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My eyes hurrrtttttt.... lol I got about 3/4 the way through it, then I couldn't read it anymore!

I'm no brake specialist. I can change pads/rotors etc... But I don't claim to know which is the best brake setup. I can only guess that diffrent applications work better for different driving habits.

I also know that drilled/sloted rotors do LOOK sweet... But aren't always better.
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Old 12-15-2003, 10:18 PM   #4
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Powerslot

I use Powerslot slotted rotors. They are made from Brembro stock and just stop wonderfully. I could care less how they look. The point is a car that needed new pads every 10K until it had 70K has gone about 35K more on one set of pads. It used to stop like crap. Now, it stops like a racer. Honestly, before the Powerslots, I was afraid to really stretch it out because I was afraid it would not stop.
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Old 12-16-2003, 04:23 PM   #5
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Zeteclover, question, were you using the same pads with the powerslots as you were with the stock rotors?
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Old 12-17-2003, 12:05 PM   #6
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Old 12-17-2003, 08:20 PM   #7
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Yes / NO

I had never used the Hawks before, but I had one BJ done at the dealership and I used Performance Friction ones twice.

SO yes, the pads were different. It was also the NEW rotors. The issue may have been that the stock rotors were crap. The pair I got at the junkyard at 60K (from a nearly new car) were the same crap. They mic'd out and were true (without turning) so it could just as well be any GOOD rotors as opposed to the Powerslots.

I have been told that drilled ones are more likely to crack so for a street vehicle, drilled ones are probably a bad idea.
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