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Drilled/Slotted Rotors & Pads


runt

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Anyone find any use of having drilled/slotted rotors besides looking cool? I don't Autocross the car, it's just a daily. It needs brakes...pretty badly...and figured that I can find them on Ebay for only a little more than what I'd pay local for normal rotors.

 

Also, if I were to do this, would any type of pad work? I don't have aftermarket wheels on the car (yet) and figure drilled might look cool and even last longer with how fat these cars are and the great stopping ability...ha.

 

Thanks.

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i personally dont like slotted rotors ( more for racing aplications) and wear ure pads down so fast so ure spending more money. drilled are ok keeps them cooler so technically last longer (less warpage) but also drilled rotors have a tendancy to crack at the drill holes. look around and look for quality and info. just my oppion

david

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For a daily driver, dont get drilled rotors. They crack around the holes, unless you get the very good kind, which will be so much money you wont want to buy em. Slotted rotors work very well. Most slotted/drilled rotors are good quality and you wont wanna use a shitty pad on them. Id say use a semi-metallic pad with a slotted rotors for the street and youll stop MUCH quicker.

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Distance isn't a problem with this car. My old '96 Cutty...now that thing...jebus...that was BAD even with a fresh brake job.

 

Well, with that said, I'll just pick up some regular ones locally. Maybe I could drill them myself in one of the Milling machines at work. Even put a slight counterbore on the hole, maybe stop it from cracking. Nah, thats too much work...lol

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Im going to be needed rotors and new pads soon, when I do Im getting slotted rotors, There should really be no reason why they would wear rather fast. Unless you like to ride the brakes or something of the sort

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Drilled rotors only crack when the wholes actually ARE drilled.

 

if they're cast that way to begin with, chances of cracking are slim.

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Drilled rotors only crack when the wholes actually ARE drilled.

 

if they're cast that way to begin with, chances of cracking are slim.

:iamwithstupid: Don't they also cast the slots into some rotors too though?
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the holes are there to vent the gases produced when the pads get hot. if the gases can't escape, they will form a barrier between the pads and the rotor and decrease your braking force. slotted or dimpled rotors have less of a tendancy to crack. but i havent seen them for our cars.

:sad:

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Thanks Dave!

 

Thats pretty much what I found eBay for mine (same price, etc.) and I guess I'll have to find the auction again and maybe just go slotted b/c I'm sure they would/could crack pretty easily. But at the same time, if the holes were slighly counterbored I wonder if that would help from cracking.

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I think maybe I'll just keep my eyes open for something slotted. But I know how i am, I'm gonna get lazy and just put regular 'ol stuff on there anyway...lol

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they had no problem doing that for you? making a non-drilled set?

 

do you have the front brake upgrade Davis or stock? I'm really interested in getting a full set of slotted rotors for a '96+ setup for my TSTE.. that's a few months off still, though.

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the way brake pads and rotors are designed today don't really require drilling/slotting....they used to do it mainly to alow gases to escape from between the pads and rotors (so they didn't ride on the gas).......but now they don't use those compounds much anymore and slotting and crossdrilling are usually unecessary...as for cooling effects.....you want some heat in your rotors and cooling them and heating them too fast can cuase cracking and warping (track conditions) anyway. besides rotors are all builit with internal cooling vains that do the job adequately.....from the things ive read they (drilled/slotted) are more flash than performance.

 

2c's

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