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Madison Motorsports
rotors (for brakes) - Printable Version

+- Madison Motorsports (https://forum.mmsports.org)
+-- Forum: Technical (https://forum.mmsports.org/forumdisplay.php?fid=4)
+--- Forum: Technical Discussion (https://forum.mmsports.org/forumdisplay.php?fid=11)
+--- Thread: rotors (for brakes) (/showthread.php?tid=2395)

Pages: 1 2

- Rex4life - 06-16-2005

"ScottyB Wrote:nevermind. i know this thread was started as a debate but i figured it was because Brett wanted to learn something.

i just wanted to find out what you guys thought about them from experiance. i have read all kinds of stuff about getting gases out and whatnot, but i wanted to hear what you guys thought (ie. people who know what they are talking about from experiance and not just asshat-ery they have read). sorry for bringing up whatever i brought up

- Mike - 06-16-2005

.RJ Wrote:
Mike Wrote:slotted and drilled are better! the holes allow the bad gases to escape... you know, the bad brake gases. the slots allow brake dust to move away nicely... because otherwise it all gets stuck and will eventually spontaneosly (sp?) combust.

Mike you couldnt be more wrong.

no shit, you're supposed to play along. john figured out that it was a script, why cant you?

- .RJ - 06-16-2005

<!-- m --><a class="postlink" href="http://corner-carvers.com/altimathread.php.html">http://corner-carvers.com/altimathread.php.html</a><!-- m --> - preserved, mostly in its entirety

That thread makes baby jesus (and me) cry.

- Rex4life - 06-16-2005

thank you. that is all i really needed to see. i wanted some facts and not bs from a manufacturer

- white_2kgt - 06-16-2005

Rex4life Wrote:
"ScottyB Wrote:nevermind. i know this thread was started as a debate but i figured it was because Brett wanted to learn something.

i just wanted to find out what you guys thought about them from experiance. i have read all kinds of stuff about getting gases out and whatnot, but i wanted to hear what you guys thought (ie. people who know what they are talking about from experiance and not just asshat-ery they have read). sorry for bringing up whatever i brought up

as you can now tell, bLiNg rotors are a sore subject for some of us 'old timers' haha

--chad

- Rex4life - 06-16-2005

yeah sorry about that. that altima convo was exactly what i was looking for. feel free to destroy this thread, and please do not think less of me as a person.

- Evan - 06-16-2005

Ill share a story I have about slotted rotors with everyone since its the topic at hand.

Back when I tracked my WRX, it was going through rotors a little quicker than I would have liked. So I got talked into buying a set of very expensive rotors from DBA that had all kinds of cutting edge garbage like pillar-venting (even before brembo used it) and supposedly used much better metals than typical junk metal commodity rotors.
But unfortunately, I couldnt get them as "blank" rotors. They only came slotted. I even asked if I could pay a little more money for them to simply not stick them on a cutter. But no dice. Of course they assured me all would be well, I could beat the hell out of the brakes, there are enduro subies in europe and austrailia running them etc etc.

3 track days later (less than 2 weekends)
[Image: wMTk2MTE2czQxM2RmZDMxeTU0MQ%3D%3D.jpg]
all the way through
[Image: wMTk2MDg2czQxM2RmZDMxeTU0MQ%3D%3D.jpg]

the reason we occasionally see high end GT cars with slotted rotors is because they are already running 14"+ rotors with lots of cooling, and thus have plenty of thermal capacity to spare. They can use the slots for tuning pedal feel and pad bite.

- white_2kgt - 06-16-2005

just don't buy the rotors .RJ and John C use,

[Image: 60Brakerotor2.jpg]

--chad

- .RJ - 06-16-2005

Rex4life Wrote:and please do not think less of me as a person.

We'll let this one slide.... just once Wink

- Rex4life - 06-17-2005

.RJ Wrote:
Rex4life Wrote:and please do not think less of me as a person.

We'll let this one slide.... just once Wink

thank you kind sir. but, does anyone know why porsche, ferrari, and motorcycles ever used/use them?

- .RJ - 06-17-2005

Porsche - they claim it imrpoves wet braking performance. Ferrari.... just for the bling, I'm afraid. Ferrari challenge racers would trash a set of rotors in one weekend, I believe they successfully lobbied SF to let them use solid or slotted rotors for the race cars.

Motorcycles use them for unsprung weight - many of them use stainless steel rotors - they are lighter but the heat transfer properties and thermal capacity is not nearly as good as iron... but when you've only got 400 lbs to stop, its ok Wink

- BLINGMW - 06-17-2005

Mike Wrote:the slots allow brake dust to move away nicely... because otherwise it all gets stuck and will eventually spontaneosly (sp?) combust.

no, really, this Mike guys knows what he's talking about.... I've seen it happen too! Confusedhock:

- Mike - 06-17-2005

i'm glad there is at least one other smart person on this forum.