Anyone install cross drilled and slotted rotors? - Hyundai Forums : Hyundai Forum
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post #1 of 22 (permalink) Old 04-18-2017, 12:28 PM Thread Starter
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Question Anyone install cross drilled and slotted rotors?

I'm looking to install a set of front and rear cross drilled and slotted rotors on my 2007 Santa Fe Limited 3.3 AWD. Has anyone installed cross drilled and slotted rotors on their Santa Fe and if so any pros and cons? I'm looking for some feedback regarding brands, etc.

Any input is appreciated.

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post #2 of 22 (permalink) Old 04-18-2017, 12:32 PM
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Only real pro is the looks.


The cons are they can crack.


Don't compare these to the expensive ones you find on vehicles at the track. No gains on a street vehicle.

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post #3 of 22 (permalink) Old 04-18-2017, 12:33 PM
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Weird. Just wrote that I had a set of drilled on mine.

Theres really no benefit. If they cost more than blank rotors your better off going with blanks. I got mine because they weren't any more money and I thought it would be funny. Got mine off eBay. Seem ok after a year.
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post #4 of 22 (permalink) Old 04-18-2017, 12:43 PM Thread Starter
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I know about the cracking but have had cross drilled rotors on 3 other cars and never experienced that problem and I generally drive hard. I had a set of Power Stop cross drilled and slotted rotors on my Saturn Vue and they were fine for 3 years I owned it, I sold the truck and they're still on. It was a night and day difference in braking in my opinion, no more fade.


The reason I was looking at them was I hoping they would help with brake fade and my Santa Fe seems to have that problem. The pads, both front and rear, are stock ceramic pads.
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post #5 of 22 (permalink) Old 04-18-2017, 12:55 PM
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Get the Zinc Plated ones and you're laughing. no more pads being replaced due to rust wearing them out every 1-2 years as I am seeing.

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post #6 of 22 (permalink) Old 04-18-2017, 02:21 PM
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Originally Posted by solman98 View Post
Only real pro is the looks.


The cons are they can crack.


Don't compare these to the expensive ones you find on vehicles at the track. No gains on a street vehicle.
+1 This.

Add the fact that you are reducing the effective mass of the rotor. The rotor first absorbs heat, then dissipates heat. Less mass means less ability.

Racing brakes are big enough and good enough to afford this loss of mass.
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post #7 of 22 (permalink) Old 04-18-2017, 03:55 PM
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[QUOTE=grandpaswagon;5066417]
Add the fact that you are reducing the effective mass of the rotor. The rotor first absorbs heat, then dissipates heat. Less mass means less ability. /QUOTE]

Not to mention 'warping'.
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post #8 of 22 (permalink) Old 04-18-2017, 04:10 PM
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I have been in that mass arguement decades ago and even though there is logic in it there is also logic in the Fact there is much better cooling with the non washer type rotor. So its cooler and faster cooling. I have no problem and I am sure many haven't either. The solid are raw steel and will be a rust issue in a year or two again. Get plated rotors, I opted for Zinc as they look natural and clean.

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post #9 of 22 (permalink) Old 04-18-2017, 11:11 PM
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I have some but haven't installed them yet. I got a full set of power slot zinc coated/drilled/slotted rotors and ceramic pads for 50$!! (Amazon). Otherwise I would have gone with blank rotors. I find the slotted and drilled a bit tacky on the Santa Fe but I couldn't refuse buying them at that price!
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post #10 of 22 (permalink) Old 04-19-2017, 06:59 AM
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Originally Posted by Pawelek View Post
I have some but haven't installed them yet. I got a full set of power slot zinc coated/drilled/slotted rotors and ceramic pads for 50$!! (Amazon). Otherwise I would have gone with blank rotors. I find the slotted and drilled a bit tacky on the Santa Fe but I couldn't refuse buying them at that price!
Haha bought the same powerstop set for $50 too! Installed them last week. Like you said they are tacky but couldn't turn them down at that price. So far so good. The zinc coating is nice.
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