Warped rotors, go figure.
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Joined: Apr 1999
Posts: 1,227
From: Texas
Originally posted by Darth Xed
Um.... Read the above comments.
Slots/Cross Drilled are intended to relieve the gas pressure, and offer brake cooling.
It's not "just for looks"...
Um.... Read the above comments.
Slots/Cross Drilled are intended to relieve the gas pressure, and offer brake cooling.
It's not "just for looks"...
Registered User
Joined: Apr 1999
Posts: 1,227
From: Texas
Originally posted by Darth Xed
Well... I don't really have 3 hours to invest in reading that entire thread...
Well... I don't really have 3 hours to invest in reading that entire thread...
An informed consumer is a smart consumer.
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Joined: Dec 2000
Posts: 8,504
From: Ohio
Ya, I guess Brembo and Willwood do slots and cross drilled just for the hell of it too... 
Ya... It's all for looks... I stand totally corrected...
EDIT: Plus, I surely am going to take a thread about Altimas on "corner-carvers.com" totally professional brake-oriented website as the law on whether or not cross-drilled or slotted rotors offer any advatage over standard rotors....
Ya... It's all for looks... I stand totally corrected...
EDIT: Plus, I surely am going to take a thread about Altimas on "corner-carvers.com" totally professional brake-oriented website as the law on whether or not cross-drilled or slotted rotors offer any advatage over standard rotors....
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Joined: Dec 2000
Posts: 8,504
From: Ohio
Here are a few snipits from Brembos website...
http://hp.brembo.com/edit/faq/index....D&PrCatID=3#22
Why use drilled or slotted discs?
Drilling or slotting discs aids the disc in several ways:
The edges of the slots or holes continuously clean and refresh the pad surface as well as providing increased brake "bite". Additionally, they prevent gasses from collecting between the pad and disc interface.
The disc is lightened, thereby decreasing its rotational inertia.
Improved ventilation increases the disc's ability to shed heat, resulting in cooler operating temperatures
What are the advantages of drilled and slotted discs?
The main advantages of drilled and slotted discs are the same: increased brake "bite", and a continuous refreshing of the brake pad surface. Drilled discs have the additional advantage of being lighter and running cooler. However, there are certain pad materials that should not be used with a drilled disc.
Drilling or slotting discs aids the disc in several ways:
The edges of the slots or holes continuously clean and refresh the pad surface as well as providing increased brake "bite". Additionally, they prevent gasses from collecting between the pad and disc interface.
The disc is lightened, thereby decreasing its rotational inertia.
Improved ventilation increases the disc's ability to shed heat, resulting in cooler operating temperatures
What are the advantages of drilled and slotted discs?
The main advantages of drilled and slotted discs are the same: increased brake "bite", and a continuous refreshing of the brake pad surface. Drilled discs have the additional advantage of being lighter and running cooler. However, there are certain pad materials that should not be used with a drilled disc.
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Joined: Apr 1999
Posts: 1,227
From: Texas
I'm familiar with that FAQ on the Brembo, Willwood, Stoptech and BAER sites.
And taken out of context, you have made a very good case.
But each one of those explanations are in extreme, racing conditions ... not street use. Under racing conditions, heat is a huge concern ... pad and rotor wear are not. I can't recall a single time where I've seen someone glow their rotors red while dialy driving.
And I wouldn't discount corner-carvers.com so quickly. Lot's of great tech and experience flow through that site. And there are some imports that are wicked fast on a road course.
Miatas are typically 1-2 seconds faster than a well setup F-Body at Motorsports Ranch. They can run with Z06s on lap times ...
So, foo-fooing information based upon it's source would be like me discounting a marketer's account of brake technology and information from a brake manufacturers website.
Personally, I think I would rather go with a consumer's opinion than some marketing major's thesis ... but that's just me after open tracking and AXing for over 4 years and bought every brake rotor option out there, it seems.
FWIW ... I now have a 4 piston Brembo caliper on a 13" rotor on my '98 TA. The rotors are direct from Porsche Motorsports, made by Brembo. They are cross-drilled and cracked all to hell ... and that's not opinion ... rather it's fact ...
And taken out of context, you have made a very good case.
But each one of those explanations are in extreme, racing conditions ... not street use. Under racing conditions, heat is a huge concern ... pad and rotor wear are not. I can't recall a single time where I've seen someone glow their rotors red while dialy driving.
And I wouldn't discount corner-carvers.com so quickly. Lot's of great tech and experience flow through that site. And there are some imports that are wicked fast on a road course.
Miatas are typically 1-2 seconds faster than a well setup F-Body at Motorsports Ranch. They can run with Z06s on lap times ...
So, foo-fooing information based upon it's source would be like me discounting a marketer's account of brake technology and information from a brake manufacturers website.
Personally, I think I would rather go with a consumer's opinion than some marketing major's thesis ... but that's just me after open tracking and AXing for over 4 years and bought every brake rotor option out there, it seems.
FWIW ... I now have a 4 piston Brembo caliper on a 13" rotor on my '98 TA. The rotors are direct from Porsche Motorsports, made by Brembo. They are cross-drilled and cracked all to hell ... and that's not opinion ... rather it's fact ...
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Joined: Dec 2000
Posts: 8,504
From: Ohio
Fair enough...
I am not a brake guru by any means, but the general feeling in this thread was "slotted and/or cross-drilled rotors offer zero performance gains and are useless." Which just isn't true....
I am not a brake guru by any means, but the general feeling in this thread was "slotted and/or cross-drilled rotors offer zero performance gains and are useless." Which just isn't true....
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Joined: Jan 2003
Posts: 1,104
From: springfield, IL
Originally posted by mitchntx
I can't recall a single time where I've seen someone glow their rotors red while dialy driving.
I can't recall a single time where I've seen someone glow their rotors red while dialy driving.
are the auto specialty cross drilled rotors any good? how bout with the VGX pads? sorry about this, i just have a summit magazine in had almost all the time lol
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