DRILLED AND SLOTTED BRAKE ROTORS - Ranger-Forums - The Ultimate Ford Ranger Resource


Drivetrain Tech General discussion of drivetrain for the Ford Ranger.

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Old 05-06-2010
Ford04Ranger4.0's Avatar
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Icon5 DRILLED AND SLOTTED BRAKE ROTORS

I'm looking for a place to buy drilled and slotted brake rotors. Any body know a good place?

I found this...

Brake Performance - Slotted and Drilled Brake Rotors
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Old 05-06-2010
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Just out of curiosity why? Seems overkill on a stock (performance wise) Ranger.
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Old 05-06-2010
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I'd just go slotted, it'll save you some money and still perform great
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Old 05-06-2010
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Originally Posted by 04blackedge View Post
Just out of curiosity why? Seems overkill on a stock (performance wise) Ranger.
I was thinking the same thing. Then I got 32's and now I want at least slotted and some EBC pads.
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Old 05-06-2010
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Oh yeah my next rotors will be slotted but I've always heard getting both is overkill.
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Old 05-06-2010
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Oh yeah my next rotors will be slotted but I've always heard getting both is overkill.
I would agree on a truck. On a track car? Mmm not so much. lol
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Old 05-06-2010
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BE CAREFUL!!!!!! i made the mistake of buy less expensive ones of ebay and they f**ked me up. if the toner rings arent just like OEM it will thro your abs wheel sensors and mess with your brakes hardcore!!! I ended up buying 2 wheel sensors just to find out it was my knockoff rotors.
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Old 05-06-2010
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i had both drilled and slotted on the probe and i loved them. i think they would be nice as hell on a truck with bigger tires
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Old 05-06-2010
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I got mine from rockauto 92 bucks or something a piece. I love them with all the extra weight and mass rolling around on my truck

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Old 05-06-2010
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the reason Im asking is that im running 32's and want better stoping.
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Old 05-10-2010
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slotted > drilled and slotted


Drilled are pointless on a street rig and just an all around waste of money. Plus, there are other downsides like drilled = weak spot and can crack the rotor, but I'm too lazy to find links to comparisons.

I've ran Stoptech slotteds and Posi Quiet pads on mine for the last few years and absolutely love 'em! Just waiting on my 03+ rotors and a new better set the same Ceramic Posi Quiet's will be installed along with the Expo discs.
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Old 05-10-2010
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Seems overkill on a stock (performance wise) Ranger.


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but theyre only there cuz they were on the axles when i bought em...guess he drove his ranger like a racecar haha
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Old 05-10-2010
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I though u'd get better brakeing with drilled and slotted rotors.
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Old 05-10-2010
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Alright someone correct me if I'm wrong. The drilled and slotted are to help prevent the build up of heat which reduces braking pressure. If you don't have an excessive build-up of heat then its not necessary. Sure if your racing auto-x with your ranger like some members have before then you might see a benefit. But for a truck that is on the street with mild offroad then it won't make a difference, and like Shane said can actually make a weak spot.
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Old 05-10-2010
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Drilled and slotted rotors help reduce heat a lot, but I doubt you do the driving and braking required to take advantage of them.

For the heat your trucks brakes build up slotted rotors will work great.
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Old 05-10-2010
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^ agree with the last two posts.
Also , since you live in the North , snow and ice can pack in the inner side of the tire rim , and when parked the heat from the rotor will melt the snow , causing it to drip into the slots and holes.Where it will re-freeze. The brakes will freeze making it hard to move the truck , and when it thaws , the water will also reduce braking.
IMHO drilled and slotted are only good for high temperature areas and conditions.
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Old 05-10-2010
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Like I said...I love my slotted small rotors('02 and older 4x4 11.2") with awesome pads. I'm bumping my rotor size up to the 03+ size of 12" and the same pads but bumping up to Ceramics instead of Semi-Mets.....on standard stock rotors.

There's no telling what difference I'll see between slotted vs solid vented. In theory, there should be a difference. But in real world conditions, NOT on an autocross circuit? TBD. But when those slotteds went on with those awesome pads, I was running freshly turned rotors with near new mid-grade Raybestos pads and the new stopping power was amazing. This was almost 3 years ago ish and like 50k agoish?
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