CylindaKilla

Hey everyone, I'm looking to get some stainless cross-drilled, slotted rotors for my 8 and some new pads. Does anyone have a good suggestion for a rotor/pad combination that won't kick up so much brake dust that I have to wash my wheels daily?

Thanks!

PUR NRG

Hard to give recommendations without knowing your intended application. The question you ask is like going to a sales clerk and saying, "Hi, I want to buy some new clothes. Can you help me?" Chances are their first response will be "Sure. What's the occasion?"
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CylindaKilla

How's that for a specification? I do believe I've made my main criterion obvious. I'm looking for a low-dust solution. Got any?

Sputnik

Then if dust is your main "criterion", then do not get cross-drilled or slotted rotors. They will create more dust regardless of which pad you get.

---jps

Omicron

If you're just trying to reduce brake dust, VividRacing sells some replacement pads that are supposed to help a lot. Details here.

PUR NRG

You also wanted drilled and slotted rotors, which directly contradicts the low dust part. Then again, the request for drilled and slotted is almost a contradiction as well.

If low dust is your primary consideration then stick with stock rotors and concentrate on pads. Are you aware the dust is primarily a result of graphite (or other materials) that are designed to reduce squeal? So you search for low dust is going to result in loud, squeaky brakes.
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CylindaKilla

Omicron, you truly are a "Super Moderator". Out of all the replies to this thread, yours was the only useful one!

Thanks!

As for you, PUR NRG,
I've seen plenty of rotors that are both - YES, BOTH - cross-drilled and slotted. I don't see what you're trying to point out.

In the future, when someone asks for a solution, don't reply with MORE PROBLEMS! Instead, take a note from Omicron and offer ACTUAL HELP.

PUR NRG

I've seen drilled and slotted rotors. Then again I've also seen cheesy brake shields with a picture of drilled rotors printed on them to make people think real drilled rotors are on the car. So what? Just because something exists doesn't mean it's good. I would be very curious to hear your explanation of why drilled and slotted rotors are better than slotted alone. And please don't give some lame reasoning like "drilled rotors are better than stock, slotted rotors are better than stock, therefore drilled and slotted must be even better!"

Gord96BRG

I'd guess that he's trying to point out that drilling and slotting rotors are for bling purposes, NOT performance purposes. 30 years ago with the brake pad materials of that time, slots and holes were beneficial for track use. Nowadays, modern brake pads do not outgas when hot like the old pads did, and there is absolutely NO performance benefit to drilled rotors.

The stock rotors will stand up to unlimited track use with appropriate pads.

Regards,
Gordon

Speed Racer

Gordon,

I have to disagree with you as I have already had to replace my front rotors due to the aggressive compound used in the OEM pads.

Since then I've been using CarboTech Bobcats for the last 3k miles and I don't know if I would recommend them to other people. The initial bite is noticeably softer than the OEM pads but the stopping power is pretty much the same. They also produce a lot less brake dust but are fairly noisey. So all in all they are kind of a mixed bag and I think I'll try something else when they wear out.

CylindaKilla

contradiction

n 1: opposition between two conflicting forces or ideas 2: (in logic) a statement that is necessarily false; "the statement `he is brave and he is not brave' is a contradiction"


Given the information above, can anyone explain why cross-drilled AND slotted are not contradictory terms...SLOWLY!

PUR NRG

CylindaKilla, I'm asking you to explain why drilled and slotted rotors are superior to slotted alone. If you can't explain why you want what you want then this thread is useless.

Pointless clarification: I said slotted and drilled is almost contradictory because both were devised as separate solutions to the same problem. Hence the "opposition between two conflicting ideas" regarding which is the superior solution.

Regardless I'm still waiting for your explanation.
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Gord96BRG

Sorry, I meant that the brake rotors were completely adequate for track use as far as heat management goes. Larger rotors, or drilled rotors, are unnecessary and won't give any performance improvement. In fact, if the OEM pads are as aggressive as you indicate, then drilled rotors would wear out faster than the OEM rotors! It's also a good reason NOT to spend big bucks on aftermarket rotors if the rotors are eaten by the pads quickly.

Regards,
Gordon

Sputnik

How many sets of pads did it take to wear down the rotors? Or were they replaced for reasons other than or in addition to simply wearing them too thin?

---jps

Speed Racer

When I brought the car in at 17k miles the tech told me that the front rotors were worn to the point where they could not be turned and they needed to be replaced. Mazda covered the rotors under warranty but refused to replace the pads because they were hardly worn.

FYI - the majority of the brake dust in the front is not from the pads, it is from the rotors wearing.

CylindaKilla

PUR NRG,

Firstly, slotting and cross drilling rotors are not "conflicting ideas", since, as you say, they were both "devised as separate solutions to the same problem", they are parallel ideas.

Secondly, read the thread, I NEVER CLAIMED drilled and slotted rotors were better than rotors that are either only cross-drilled or only slotted. That's an issue you put on the table.

Regardless, if you don't have a setup to recommend, why do you continue to read and respond to this thread?

Omicron

Ok guys, PUR NRG and CylindaKilla, that's enough.

CylindaKilla, I'm glad I could help. And FYI, PUR has helped ME with suspension questions in the past...

There's no reason to argue symantics. Main point here is that the RX-8s brakes don't need to be drilled, slotted, or poked in any way - they're spectacularly good just the way they come from the factory. Anyone who's tracked their car will agree.

CylindaKilla

Okay, Omicron, I'm willing to squash it...but only because you're a Super Moderator.

Omicron

LOL, thanks.

Sputnik

Then it sounds like the pads were not original. They might have been stock, but I doubt that the rotors would be worn down so far while the pads were almost new.

I suspect that someone put something like a Hawk Blue or Black pad on the car thinking race pads are better, and drove it around town like that. If those pads are not up to their normal operating temperatures (which is very very hard to do on a city street, practically impossible, you have to do it intentionally in an area with little to no traffic, and they will cool back down very quickly), they will literally grind away at rotors.

---jps

Speed Racer

No, I'm positive that they were the OEM pads. Trust me when I say that the dealerships that I have gone to would not go secretly out of their way to install race pads on my car. That would take too much effort, time, and money.