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Old 05-09-2013, 10:36 AM   #1
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Stock brakes and 35" tires......

Def noticed a decrese in the braking performance after upgrading to 35" tires, as expected. The only real choice since I am running 15" wheels is to upgrade the pads and maybe stainless steel lines. Anyone running aftermarket pads? Are the Hawks any good?

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Old 05-09-2013, 10:38 AM   #2
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That is a great question, I would like to know also.

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Old 05-09-2013, 11:28 AM   #3
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I have a set of the Black Magic brakes/rotors, and will install them soon. I hear they are the best, followed by EBCs. Not sure they they fit 15s. Actually, that is why I stuck with 17s...several Jeepers told me I would not find it easy to upgrade the brakes otherwise. I hope you find something effective...the stockers are not adequate with 35s, and scary coming down mountain passes like I-70, even for someone who drives conservatively.
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Old 05-09-2013, 12:54 PM   #4
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I have a set of the Black Magic brakes/rotors, and will install them soon. I hear they are the best, followed by EBCs. Not sure they they fit 15s. Actually, that is why I stuck with 17s...several Jeepers told me I would not find it easy to upgrade the brakes otherwise. I hope you find something effective...the stockers are not adequate with 35s, and scary coming down mountain passes like I-70, even for someone who drives conservatively.
Bogus. I trek to Snowshoe WV yearly in my Jeep. 35's on this one, 37's on the last one. Stock brakes. 8-10% grades at highway speeds. Stops just fine. Once these wear out I'll be going with Hawk LTS pads and StopTech Cryo Slotted rotors. Which I've used on multiple truck's with awesome results.
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Old 05-09-2013, 01:03 PM   #5
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Black Magic or EBC yellow stuff. Not sure about applications for JKs, as I only know for TJs.
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Old 05-09-2013, 01:07 PM   #6
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Your standards may be lower. Nothing bogus about it since almost everyone says the same thing. It is the first thing I noticed...longer stopping distances and less effective bite.

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Bogus. I trek to Snowshoe WV yearly in my Jeep. 35's on this one, 37's on the last one. Stock brakes. 8-10% grades at highway speeds. Stops just fine. Once these wear out I'll be going with Hawk LTS pads and StopTech Cryo Slotted rotors. Which I've used on multiple truck's with awesome results.
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Old 05-09-2013, 01:13 PM   #7
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Originally Posted by Riccochet View Post

Bogus. I trek to Snowshoe WV yearly in my Jeep. 35's on this one, 37's on the last one. Stock brakes. 8-10% grades at highway speeds. Stops just fine. Once these wear out I'll be going with Hawk LTS pads and StopTech Cryo Slotted rotors. Which I've used on multiple truck's with awesome results.
Then why are you upgrading if the stocks are fine ?

I did not notice any change to 35's. I've always thought the jeeps braking lacked anyways. JK is a little better than my TJ with disks all around.
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Old 05-09-2013, 06:58 PM   #8
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Then why are you upgrading if the stocks are fine ?

I did not notice any change to 35's. I've always thought the jeeps braking lacked anyways. JK is a little better than my TJ with disks all around.
Because I always upgrade. But I won't do so until the stockers are worn out.

This is the Wrangler forum, right? lol We upgrade shtuff for no good reason around this mofo.
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Old 05-09-2013, 08:35 PM   #9
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LMAO! We do lift kits, axles, lockers, reinforce axles, $1000 dollar sets of shocks and $3000 worth of tires and wheels.
He'll I can't wait for my brakes wear out. It's about the only thing left for me to mod.
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Old 05-09-2013, 08:58 PM   #10
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Yeah after I installed 35's on my JKU I definitely noticed a decrease in braking performance at first, then I just got used to it. However, I lifted my Jeep with 15k miles (I have 23k miles now) and while the brakes haven't worn out I have noticed that my rotors are completely warped.

I'll probably explore some options once the front pads wear out. I saw the big brake kit from teraflex I think, but you'd also have to replace the master cylinder to get the most out of them which is probably not worth it at that point.
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Old 05-10-2013, 04:55 AM   #11
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the slotted or drilled cryo rotors and hawk pads really do add a good amount of stopping power, vent gases and keep things cool without upgrading the entire system. Braided brake lines will also help.
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Old 05-10-2013, 07:23 AM   #12
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Lots of good info in here. Thank for the replies.

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the slotted or drilled cryo rotors and hawk pads really do add a good amount of stopping power, vent gases and keep things cool without upgrading the entire system. Braided brake lines will also help.
This is good to hear. I'm not expecting sports car brakes from a lifted Jeep, but it'd be nice not to have my sphincter clench up everytime someone stops short in front of me in I-66.
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Old 05-10-2013, 07:33 AM   #13
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Amazing how many people don't upgrade their brakes once bigger meats are fitted.
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Old 05-10-2013, 08:12 AM   #14
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I agree. I got 35s an stock brakes. And when I gotta stop fast .... Well I don't really lol. Gears are my friends thank god. Still have like 50% on the nada and Rogers. So Gunna let them burn untill I buy a big brake kit.
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Old 05-11-2013, 03:01 AM   #15
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I have to admit, This is the first brake upgrade thread I've seen on a Jeep forum.

This topic comes a lot in sports car forums and the general consensus is cross drilled rotors are for bling only. Race cars don't even use them anymore.

As for brake pads, people tend to go overboard and get high temperature pads for race cars which don't work well on street. A high temperature pad requires a high temperature to start producing friction, which may be fine for Laguna Seca, but probably not so much for a low speed run to the grocery store.

The best upgrade for any increase in wheel size is a bigger rotor. It doesn't half to be cross drilled, zinc-plated and slotted, just has to be big,
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Old 05-11-2013, 03:25 AM   #16
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I'd love bigger rotors, but kind of tough to jam them inside of a 15" wheel.
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Old 05-11-2013, 08:15 AM   #17
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I'd love bigger rotors, but kind of tough to jam them inside of a 15" wheel.
I guess it's something else to consider when considering 15in wheels. I noticed a lot of performance brake companies aren't offering drilled rotors anymore. When your rotor diameter is limited you'll probably want all the frictional surface area you can get. They're more expensive, but directionally vented rotors will be more efficient of getting rid of heat while maintaining frictional surface.
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Old 05-11-2013, 08:22 AM   #18
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I guess it's something else to consider when considering 15in wheels. I noticed a lot of performance brake companies aren't offering drilled rotors anymore. When your rotor diameter is limited you'll probably want all the frictional surface area you can get. They're more expensive, but directionally vented rotors will be more efficient of getting rid of heat while maintaining frictional surface.
While this is true in most vehicles, any vehicle that spends time in mud, sand, general off road will not benefit from this. Mud and stones and other debris can get into the slots and holes wearing down your brake pads much faster while also defeating the purpose of the slots and holes
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Old 05-11-2013, 08:22 AM   #19
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I'm certainly getting bigger wheels when I get 35s. Right now I'm torn between 16 and 17.
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Old 05-11-2013, 10:07 AM   #20
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While this is true in most vehicles, any vehicle that spends time in mud, sand, general off road will not benefit from this. Mud and stones and other debris can get into the slots and holes wearing down your brake pads much faster while also defeating the purpose of the slots and holes
Pretty much all rotors are vented these days. The only difference is the shape of the vanes in the rotor. The only way holes cool the rotor is by not providing friction in the first place.
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Old 05-11-2013, 01:08 PM   #21
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These are the rotors I just put on. Black Magic brakes and their Centric rotors Started breaking them in today...

EDIT: Picture not mine- lifted from Jeepforum.
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Old 05-11-2013, 01:54 PM   #22
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I have a set of the Black Magic brakes/rotors, and will install them soon. I hear they are the best, followed by EBCs. Not sure they they fit 15s. Actually, that is why I stuck with 17s...several Jeepers told me I would not find it easy to upgrade the brakes otherwise. I hope you find something effective...the stockers are not adequate with 35s, and scary coming down mountain passes like I-70, even for someone who drives conservatively.
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Then why are you upgrading if the stocks are fine ?

I did not notice any change to 35's. I've always thought the jeeps braking lacked anyways. JK is a little better than my TJ with disks all around.

You guys drive vettes and mustangs? Nothing lacking about wrangler brakes, just stops more like a truck than a sports car. If you think the wrangler has lackluster stopping power go drive a 1 ton especially an early 2000's Ford.
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Old 05-11-2013, 06:34 PM   #23
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Sure, nothing wrong with them. Kinda like nothing wrong with those headlights either.
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Old 05-11-2013, 06:51 PM   #24
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Birdman, another thing to look into is a larger master cylinder. TeaFlex has it- it is the same unit that all export JKs get. Those JKs also get bigger pads and rotors. Most report a significant improvement after bigger rotors and pads....some also add the bigger master cylinder for a firmer pedal feel. The TF Big Brake kits probably includes all this stuff, but I wanted the Black Magics.
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Old 05-11-2013, 07:32 PM   #25
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Sure, nothing wrong with them. Kinda like nothing wrong with those headlights either.
Bahahahaha
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Old 05-11-2013, 08:25 PM   #26
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I am in the market to upgrade my brakes as well.

After doing some reading on similar threads, some folks are saying drilled or slotted discs for JK's are not recommended. I wonder why?

I was interested in the Teraflex Brake Kit with Slotted Discs.

Also, these kits are for the front brakes only. So upgrading the fronts only is ok?

Any thoughts?
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Old 05-12-2013, 07:10 AM   #27
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I am in the market to upgrade my brakes as well.

After doing some reading on similar threads, some folks are saying drilled or slotted discs for JK's are not recommended. I wonder why?

I was interested in the Teraflex Brake Kit with Slotted Discs.

Also, these kits are for the front brakes only. So upgrading the fronts only is ok?

Any thoughts?
Drilled is just for bling and will crack under any serious braking application.

Slotted is really designed for racing applications. They won't do much for a Jeep. Anything other than a solid surface is less frictional surface. It also cheese graters your pads so you have to change them more often.
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Old 05-12-2013, 07:54 AM   #28
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Drilled is just for bling and will crack under any serious braking application.

Slotted is really designed for racing applications. They won't do much for a Jeep. Anything other than a solid surface is less frictional surface. It also cheese graters your pads so you have to change them more often.
I run slotted on my S2000. Night and day between those and solid rotors when I auto-x. Considerably less fade. Sure, you burn through pads. But pads are cheap. I'd rather be able to stop when I want to without fade.

Slotted is an option for those that can't fit a big brake kit. I went with 15" wheels and 35's so I could air down more. More sidewall to soak up rocks. Different people build their Jeep's for different purposes. In my case, and a lot of peoples, larger wheels doesn't make sense. Cost is not the factor. I'm already throwing $10k+ at my Jeep.
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Old 05-12-2013, 08:13 AM   #29
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I run slotted on my S2000. Night and day between those and solid rotors when I auto-x. Considerably less fade. Sure, you burn through pads. But pads are cheap. I'd rather be able to stop when I want to without fade.

Slotted is an option for those that can't fit a big brake kit. I went with 15" wheels and 35's so I could air down more. More sidewall to soak up rocks. Different people build their Jeep's for different purposes. In my case, and a lot of peoples, larger wheels doesn't make sense. Cost is not the factor. I'm already throwing $10k+ at my Jeep.
Don't see many Jeeps auto crossing.
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Old 05-12-2013, 08:32 AM   #30
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Don't see many Jeeps auto crossing.
The smart a$$ comments really serve no purpose. I guess because your Jeep never leaves the mall parking lot that no one else's does either. Ever driven around the mountains with very steep graded roads? Ever been coming down the highway with a 8-10% down grade at 70mph? Pretty hard on the brakes when rolling large, heavy tires/wheels. Most of our off-road parks are in the foothills and mountainous areas. Not only is it hard on the brakes to get there and home, but the trails themselves on steep.

But, I guess that matters not. Since no one auto-x's their Jeeps.

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