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Old 03-20-2009, 07:41 PM   #1
superblkwrx
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Default Help picking rotors

Hey what do you guys think about the cross drilled and slotted Rotora rotors? Any one purchased these before? And where is a good place to buy after market brake parts local. Caliente Auto seems to have gone out of business .
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Old 03-20-2009, 07:47 PM   #2
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PM Evil Performance. He has brakes in stock now for your car
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Old 03-20-2009, 07:49 PM   #3
superblkwrx
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Thanks I just PMed him now.
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Old 03-20-2009, 07:57 PM   #4
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I would recommend staying with a flat face rotor.
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Old 03-20-2009, 09:57 PM   #5
superblkwrx
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Why do you recommend flat faced? I can't see any down sides to those types of rotors. They only dissipate the heat better
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Old 03-20-2009, 10:07 PM   #6
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Because flat faced have more surface area for the pad to grab onto and a well designed flat faced rotor can cool just as well as a slotted/cross drilled one. Also, it's rumored that drilled/slotted rotors are more prone to cracking.
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Old 03-20-2009, 10:11 PM   #7
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Quote:
Originally Posted by superblkwrx View Post
Why do you recommend flat faced? I can't see any down sides to those types of rotors. They only dissipate the heat better
actually i was informed that flat faced rotors dissipate heat better because they have more surface area. i guess it depends on what you are using the rotors for. if it's everyday driving plus spirited driving, then i'd stick to flat faced. if you are going to be racing then maybe the slotted/drilled rotors would be useful. just remember your pads will get eaten up alot quicker. of course this is all my opinion and don't take it as fact
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Old 03-20-2009, 10:18 PM   #8
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I agree with the cracking rumor but I don't know about the dissipating faster with flat faced. But lets say I go with a flat faced rotor, what brand have you guys had luck with? The OEM ones were horrible(mostly because of the pads) Gruppe-S was on back order for the Hawks so for no extra cost they sent me the hawk +'s. I had no choice cuz my pads were completly gone. So the pads were too much and heat checked the h3ll out of the oem rotors.
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Old 03-21-2009, 01:12 AM   #9
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Quote:
Originally Posted by superblkwrx View Post
I agree with the cracking rumor but I don't know about the dissipating faster with flat faced. But lets say I go with a flat faced rotor, what brand have you guys had luck with? The OEM ones were horrible(mostly because of the pads) Gruppe-S was on back order for the Hawks so for no extra cost they sent me the hawk +'s. I had no choice cuz my pads were completly gone. So the pads were too much and heat checked the h3ll out of the oem rotors.
replaced my fronts with brembo rotors and PBR/Axxis Deluxe pads (http://www.importrp.com).
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Old 03-21-2009, 11:48 AM   #10
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DBA 5000 FTW....

All brakes will crack if not taken care of correctly.. But you are driving on street only. Brembo blanks are you best bet. Get a organic pad. These pads dont last as long but its cheaper to replace your pads then rotors.

Slotted help clean and keep the brake pad flat. Nice step up from the blanks. Would be good around here as the desert dirt and sand can tear things up.

Drilled: Need to be cooled off after hard use. They can cause cracks. Each time you drill a hole it can be a stress riser. Cheaper drilled rotors have bigger chance as they dont clean the drilling up as much.


Also you can get them get them cryo treated. But I think you are more street use?


I'd stay with brembo blanks... Axis pads... Or upgrade to slotted.. I love my DBA's best upgrade I have bolted on.


Make sure to upgrade your brakelines if you have a older car. Old hose after a while tend to get even more spongy then new. Which effect brake pedal feel.

And brake fluid dont go cheap..... That can cause all sorts of problems..
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Old 03-21-2009, 02:04 PM   #11
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just get a brembo flat face replacement. slotted works great on track because they will pull some more gasses out and reduce overheating and warpage. they also work well in wet weather, keeping the pads clean. drilled will also reduce debri on the surface in dusty conditions, but you loose surface area. both will cause more wear on pads.

On the street, flat works best because you have a constant surface for the pad to grip and they wont cause as much wear. a pad like the hawk hp+ will definitely wear out a rotor, especially when cold.
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