Cross drilled or Slotted?

[S13 King]

Just curious to know what you guys thought were the better brake rotors. I personally like the slotted without the drill cause i think 1) Don't compromise the structual integrity of the rotor 2) They look better behind the wheel, a more clean look.

But the more important question is what works better and will last longer on both the rotor and pads?

[Grant@tirerack]

I think you just answered your own question in #1. Between the two, I'd stick with the slotted rotor and try to stay with one with a very narrrow slot. The less material removed the better. I'd look at the Powerslots or Brembo Sport Slotted. http://www.tirerack.com/a.jsp?...x.jsp

[Zydeco]

I got sloted rotors and EBC pads, There kind of nosiey when they get hot but they still work. I have yet to get them to fad.

[S13 King]

thanks i was gonna go with 300ZX tt Power Stop Slotted rotors (no drills) front and rear with the 300zx TT calipers powder coated either red or black (they will be on a red car, which color you think?)

[Ceptos]

ive always wanted to get my calipers polished and clear coated.

watch out for rotors that are cross drilled or slotted by the person selling them, and not by the manufacturer. make sure that if brembo made them, brembo drilled/slotted them.

[DriftFactory]

The best rotors that I have seen so far are the Racing Brake rotors which are drilled AND slotted. They are EDD coated with the final cross cut being done after the coating. Also all of the edges are bevilled so that they don't strip your pads the way other rotors can. You can find more information about these rotors at http://www.racingbrake.com or visit our website at http://www.driftfactory.com

[Structure240sx]

has anyone ever really had a problem with cross-drilled AND slotted rotors? as long as the were really brembos and machined by brembo

[chmercer]

please, just get blanks. get slotted if you REALLLLY want to but never get cross drilled rotors ever.

[Structure240sx]

did u or anyone u know have problems with cross-drilled?

[SmithSR]

It's not that you shouldn't ever get them, it's that many aftermarket rotors that are available for a good price(what people always search for, lowest price) are drilled will no thought to mass replacement.

Drilled rotors need to be larger to compensate for lost mass. Since brakes function from friction, it's critical to maintain OEM or greater rotor mass, never anything less.

[chmercer]

why do you suggest drilling rotors smith? drilling is an outdated practice from the days of organic brake compounds. brake pads now a days dont have glue in them so they dont create any gas, eliminating the use of drilling rotors. All drilling does anyway is remove braking surface and mass, so your rotors dont have as much contact with the brake pad and they heat up faster.

[chmercer]

oh yea, and they CRACK.

[SmithSR]

I wouldn't suggest drilling, period. Did my comments mislead you, or did you allow yourself to be misled?

I would only suggest using OEM rotors, and OEM friction material for that matter. There are no gains for commuting. Which is what 99% of all of our vehicles do anyway.

If people think drilling is good, then they should at least be made aware that cheap drilled rotors are cheap because they are not engineered to replace mass that was taken from the cross drilling. They were simply drilled, boxed, and sold to some kid.

Then he has brake problems, such as you suggest(cracking) then he wonders why they failed, but pays no attention to the basic physics involved with mass reduction, and mass replacement. He probably also has no concept of heat dissipation. This would be the same kid who wonders why his front wheels get so damn dirty and his rears stay relatively clean. This could be because he has no clue about what the car underneath him is doing. If we all read more, we'd all be more informed.

[chmercer]

ah ok, sorry i misread, i thought you said that they were ok in some situations.

[Veriest1]

The slotted rotors can, in theary, keep pads from glazing over under extreme heat situations. I'm not really sure of how well this actually works but it's a good principle. Does anyone have experience with this?

[DriftFactory]

I have Racing Brake rotors on my S13 and so far I've not had any pad glazing at all. I do know some people with Brembos and EBC rotors who have had the problem though. I think that it all boils down to the quality of the rotor.

[Structure240sx]

does racing brake make a 26mm z32 front rotors? i think i searched on a different website and didnt see any for the z32 brakes.