After my lift and 35's it feels like my brakes have gone bad - Jeep Wrangler Forum
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Old 08-22-2017, 07:49 PM
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After my lift and 35's it feels like my brakes have gone bad

We finally got done lifting our 2016 JK with a 2 1/2 Teraflex and adding 35's but now it seems like I really have to press down on the brakes and even with that I don't think this puppy is going to stop if I really needed.

I am assuming its all the extra weight from the new rims and tires and some other mods I added. Has anyone else experienced this and what is my low cost solution.

Thanks in advance

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Old 08-22-2017, 07:54 PM   #2
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Low cost solution?...increase your following distance.

I've got a similar setup; it doesn't stop like my ZL1 Camaro on track pads but for the pads and rotor size I don't think it stops too bad.


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Old 08-22-2017, 07:54 PM   #3
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It happens. I added 35s, a Tuffy security trunk and RSE rock sliders. The wife took it to run an errand last week, came back and immediately announced that I had to buy new brakes.

The TF big rotor kit gets great reviews. I've ordered it but haven't gotten all the pieces to install it yet.

There are other kits out there for larger rotors as well as TF's Big Brake Kit which gives you dual piston calipers as well.

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Old 08-22-2017, 07:56 PM   #4
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Originally Posted by ILZL1 View Post
Low cost solution?...increase your following distance.

I've got a similar setup; it doesn't stop like my ZL1 Camaro on track pads but for the pads and rotor size I don't think it stops too bad.

BTW...more aggressive brake pads make a big difference.

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Old 08-22-2017, 08:00 PM   #5
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after my 34's and 2 1/2 lift I found if you have to get on the brake hard you better have a good grip on the steering wheel cause its going hard left or right and feels like its going to roll over. but feels normal if just stopping normally.
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Old 08-22-2017, 08:00 PM   #6
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Im in the same boat. I have to look further down the road and be prepared to stop much sooner. There's no way around it, bigger heavier tires = increased braking distance.

Mine isnt too bad where I need to replaceimmediately but when Im ready tor new pads Ill most likely go with the Teraflex big brake kit.

Ive read good reviews on Extreme Terrain for the Power Stop kits for much less than a big brake kit. But without bigger rotors I dont see how they can make much of an improvement. Anyone tried Power Stop?
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Old 08-22-2017, 08:03 PM   #7
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Dynatrac Progrips or Teraflex big brake.
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Old 08-22-2017, 08:04 PM   #8
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Teraflex Big Rotor Kit

The Teraflex Big Rotor Kit made a huge difference on my 2013 jk with 35's and a 3 inch lift
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Old 08-22-2017, 08:24 PM   #9
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After my lift and 35's it feels like my brakes have gone bad

I did teraflex big rotors only front & rear when I went to 35s. Made a huge difference in stopping power.

If you went 37s you might want to go with better calipers too but the larger rotors alone were a big improvement


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Old 08-23-2017, 07:30 AM   #10
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I don't know. I just lifted and went 35's (315/70/17) and may have lost a little brake performance with 50k on original brakes. Still fell pretty good stopping power as witnessed when a car cut me off as they went across 3 lanes of traffic to try and get off the highway...

In all likelihood, will probably go with a better than stock brake pad and rotor as I'll most likely need new brakes soon anyway.
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Old 08-23-2017, 07:37 AM   #11
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This works, Teraflex:
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Old 08-23-2017, 09:46 AM   #12
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To the OP: Yes, 35s will do that - moment of inertia is a big factor. It helps if you shop for the lightest possible wheel rather than some 'ascetically pleasing' wheel which can weight another 15 lbs per corner.

I believe the best solution is the Mopar big brake kit, as it is the only kit that matches the master cylinder and booster to the caliper/rotor combination. Worked well for me.
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Old 08-23-2017, 02:32 PM   #13
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Quote:
Originally Posted by Liv2roc View Post
after my 34's and 2 1/2 lift I found if you have to get on the brake hard you better have a good grip on the steering wheel cause its going hard left or right and feels like its going to roll over. but feels normal if just stopping normally.
What lift do you have? Either sounds like a BAD kit or install.
My AEV 2.5 with heavy TOYO 35's will keep straight as an arrow and ZERO brake dive when slamming the brakes. Total control.
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Old 08-23-2017, 02:35 PM   #14
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Originally Posted by ILZL1 View Post
I've got a similar setup; it doesn't stop like my ZL1 Camaro on track pads but for the pads and rotor size I don't think it stops too bad.
Funny, my JK is similar set up, but I'd say it stops on par with my dedicated track car (stripped, caged, reinforced E36 M3) with racing pads. . . when the track car's pads are cold. Needless to say, I've been reading lots of JK big brake threads recently.

The Dynatrac or Teraflex kits seem like pretty good, cost effective options. The master/booster of the Mopar kit is a luxury and would be nice to have, but its not needed if the Dynatrac/Teraflex kits give good results without too heavy of a pedal. . . and it sounds like they do.

I do wonder a bit about the engineering of these 3rd party aftermarket kits and stuff like front/rear bias, but I think things like ABS and stability control (and the fact that you're unlikely to be trail braking a lifted JK) compensate for that to some degree.
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Old 08-23-2017, 04:18 PM   #15
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The Terraflex Big Rotor kit does make a difference. I only did the fronts and do have a noticeably shorter stopping distance. ABS kicks in earlier in the pedal travel. The pedal feels the same but sets off the ABS without going almost to the floor.

Although you can use the stock pads with the new rotors and bracket, why? I went ahead and replaced the pads at the same time even though there were only 20K on them.

Be advised that the TF pads do NOT work with the Big rotor kit. They are specific to the Big Brake Kit replacement caliper & do not fit with the stock caliper that remains when you use the Big Rotor kit.
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Old 08-23-2017, 09:41 PM   #16
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Yup yup, I put the Tera Flex BBK on my rig and a world of difference. I too am running 35's with a host of other weight additions. If you can swing it that would be .02 recc.
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Old 08-24-2017, 06:04 AM   #17
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I experienced the same degradation of braking when after my AEV 3.5" lift and 35" Toyo's were added. I drove it for a while and decided to dothe Dynatrac Progrip package. Night and day difference, i feel 100% confident in brake performance now. I think very much worth the money. I'm sure teraflex is good too but happy with my decision.
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Old 08-24-2017, 06:59 AM   #18
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I kept the same size rotors and just upgraded to DBA rotors (not necessary for stopping power, I just wanted to see what all the hype on these was about) and a set of Hawk LTS pads, and on 37s I stop like the Jeep is still stock!
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Old 08-24-2017, 02:21 PM   #19
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Having come from a '97 Cherokee (and before that a '69 F250) I feel my fully armored and 35" tire'd JK can stop on a dime.
It's all relative...
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Old 08-25-2017, 05:59 AM
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Thanks all your replys,

For my temp solution I am going with ILZL1 idea: Increase your following distance, LOl. (2-3) weeks while I save the money to purchase.

For my long turn turn solution: I will go with the TF Big Rotor kit.
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Old 08-25-2017, 07:52 AM   #21
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Originally Posted by GSSP View Post
This works, Teraflex:
I'm installing my TeraFlex rotors & Hawk LTS pads tomorrow for the same exact reason.................a lot of mods/added weight.

Funny story, when I drive our Grand Cherokee and hit the brakes we almost fly through the windshield because I'm used to my soft JKU pedal. Good thing our baby is facing backwards. Hahahaha. I can't wait for the improved braking in my JKU!

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Old 08-29-2017, 02:51 PM
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I think I'm going to purchase the TF Big Rotor Kit, Any thoughts on slotted fronts vs no slotted before I pull the plug?

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Old 08-29-2017, 03:14 PM   #23
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If you off road, especially in the mud, slots tend to increase pad wear. I can't imagine they really help on a Jeep. I understand what they are supposed to do but for dirt, sand, and mud, I would go without slots.
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Old 08-29-2017, 08:27 PM   #24
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I have the Mopar BBK on the front and Teraflex BBK on the rear.

This is easily one of the best mods that I have done on my jeep.

When I step on the brake pedal there's no hesitation with stopping.

The people that say it won't make a difference don't know what they are talking about. One test drive of a jeep with the upgraded brakes would have them upgrading theirs.

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