drilled and slotted rotors anyone?
#1
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drilled and slotted rotors anyone?
ok so i spent the past week looking online to figure out the deal with drilled and sloted rotors. I want to upgrade my brakes without spending 2k. I'm hearing mixed things like dont buy brakes that are drilled and slotted get eigther one or the other. Then i'm hearing don't buy drilled mean while all the top line brembos are all drilled.GTR's also come stock with drilled brakes. i was hopeing if anyone really knew about this stuff like from experience can clear up the differences and maybe recomend something. I was looking to may be get the stoptech drilled rotors. Any feedback would be much appreciated.
#2
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Avoid drilled. They tend to crack around the holes unless they are the really high end ones (punshed holes, not really drilled).
For normal street use, you're not going to see any advantage with drilled or slotted over solid rotors.
There's a fairly detailed and execellent thread here on the advantages and disadvantages of the three. I'll have to see if I can find it and post the link. It may be in the Autox/Road forum.
For normal street use, you're not going to see any advantage with drilled or slotted over solid rotors.
There's a fairly detailed and execellent thread here on the advantages and disadvantages of the three. I'll have to see if I can find it and post the link. It may be in the Autox/Road forum.
#3
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You will never find drilled rotors on real ace cars. They crack. Slotted are good for keeping the pad face cut but will wear out the pads faster. Slotted rotor manufacturers are only supplying the demand in the market for uninformed consumers. The best rotor for you is a blank rotor unless you are tracking your car then go with slotted. If you are tracking your car you need to be concerned most with what kind of cast iron your rotor is made out of.
Last edited by JETPILOT; 12-22-2008 at 03:05 AM.
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I got the stoptech stage II drilled/slotted. I havnt had a problem with them over 10k miles. Ive autoX'd with them twice, but brakes don't get that hot in autoX. I actually couldnt get my semi-race pad to the right temperature for best braking.
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Check out www.r1concepts.com I brought my drilled and slotted rotors from there. Good price, and Im pretty happy with them.
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^ I'd believe it. But its one of those things Ive heard but never seen. I believe that a quality piece of equipment is less likely to break than an ebay piece. Hence, Stoptech Stage II instead of a cheaper ebay kit.
#16
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the cracking of drilled rotors is due to repetitive thermal stress from heavy braking - as jetpilot says - they WILL crack...
race teams see rotors as throw away items, changed very often, where we want to buy rotors that will last for 1, 2 [or 3+] years
[i can't afford to replace my rotors every other trackday or so.... ]
i had cracks in my stock (plain) rotors pointed out during tech before a trackday + redid my brakes before the next!!
race teams see rotors as throw away items, changed very often, where we want to buy rotors that will last for 1, 2 [or 3+] years
[i can't afford to replace my rotors every other trackday or so.... ]
i had cracks in my stock (plain) rotors pointed out during tech before a trackday + redid my brakes before the next!!
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I know that they also make some rotors with a dimple instead of drilling all the way thru. This way the rotor retains its strength & still has cooling efficiency.
Best of both worlds.
edit * just found this online.
Best of both worlds.
edit * just found this online.
Last edited by fithamoto; 12-23-2008 at 01:34 PM.
#18
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IMO i think drilled and slotted rotors is more of a cosmetic thing if your not planning on tracking your car. and it is a fact that drilled rotors will crack after track abuse.
I dont plan on ever doing autox, i think a good drilled and slotted rotor will last a while for just normal street use
I dont plan on ever doing autox, i think a good drilled and slotted rotor will last a while for just normal street use
#19
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My last track day there was a guy in a Mustang new to the sport that had a set of new crossdrilled rotors. At the end of the day all of them had cracks. Slotted rotors are certainly an asset on the track. It removes glazing from the pad. I spend alot of time at the track... and see this every time I go. Always a new guy who is doing this for the first time. No one uses crossdrileld on the track more than once. That's all it takes. leason learned. No race cars use them.
#20
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They produce them becasue consumers are uneducated and 99% of the people who buy them don't go to the track. It's a perception thing. Some people look at the porsche atthe stoplight and say.... wow those are serious brakes. People like me say... "obviosuly the guy never drives his car at the track it's a daily driven GT3".