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Old 08-02-2012, 10:11 PM   #301
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Not to be a pain, but I was considering the MB72s 15x8 with General Grabber AT2 30X9.50R15/C1 104S W.... I shouldn't run into any issues with that on a stock 2012 Sport Wrangler should I? Reading through everything in this thread I don't think so, just figured I would ask though since I feel the need to double check everything I do. hahaha

That or MB72s 16x8.5 w/ General Grabber AT2 Studdable
265/70R-16 112S OWL

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Old 08-03-2012, 07:24 AM   #302
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Thanks, I want to run 35"s but what I'm hearing from my contacts in Germany I can't have any rubber hanging out of the fenders and finding the right offset without trimming has proven hard.
Does anyone know of a wheel&tire combo that will get me 33.5-34" light tires (Dura Tracks?) under my jeep with no rubber hanging out from under the stock flares? I am planning on running a spacer lift of 2" with the new tires. I know everyone talks about backspacing but noone mentions the width of the rim, which if I understand it would change how the tire sits as well. Meaning a 15X8 wheel with a 4.5" BS and a 15X9 wheel with the same 4.5" BS would sit about 1/2" further away from the body.... right ?

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Old 08-05-2012, 08:01 AM   #303
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Great info here...learning a lot. I have a 2012 Sahara and am looking to ditch the stock rims and go with a 16x9 rim. I want a tough looking tire that handles well off road, but also will not hummmmm me into insanity. I would say I am a 75% street / 25% dirt road/off road. Anyone have any ideas on a good compromise in terms of tire? Also, don't want to make any lift adjustments or worry about rub. How big can I go on a 16" rim 285/75/16 ??

Thanks! Looking fwd to learning more here!
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Old 08-05-2012, 09:01 AM   #304
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I have 33s on my yj they.are duratracs look mean riide good and are not loud. With top down and doors off barley hear tires at all i plan on putting some on my 2012 jku soon
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Old 08-05-2012, 05:05 PM   #305
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I Phone app tire sizes

For those with I phone, there are different app. for tire sizes. Free one to ones that cost $3.99 or so. Will convert your number to height and width and some will show your stock with a larger size over it. Plus some will tell the difference in your speed with different size tires.

Check them all out to what you need.
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Old 08-05-2012, 08:07 PM   #306
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Ok so if I have this right I can put a 285/70/17 tire on an aftermarket rim that is 9 inches wide and has an offset of 4.5 on to my stock 2012 JK without problems, wheel spacers or a lift correct?
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Old 08-06-2012, 08:53 AM   #307
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Rowhook That tire is 32.71 overall height

width is 11.22 and rim is 17 just a bit bigger than your stock and about 1" wider that is all. Depending on whaat you have for a stock tire?
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Old 08-06-2012, 11:45 AM   #308
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Thanks you all for lots of great info!!

I have brand new Sport. Was thinking about a 4" spring lift and 35" tires, but then read about all the extra stuff I'd have to worry about, drive shafts and all. I think I'll just go with a 2.5"-3" lift and stick to 33's. Any comments on these: The wheel is a 17x9 with 4.5" BS.
Attachment 145709

Attachment 145710

Attachment 145711
I think I've heard of people running a 2.5 lift, bushwacker flats and 35s. If you want to run 35s so you can conquer bigger trails I would definitely research it.
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Old 08-06-2012, 11:55 AM   #309
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I think I've heard of people running a 2.5 lift, bushwacker flats and 35s. If you want to run 35s so you can conquer bigger trails I would definitely research it.
with the rock krawler 2.5" max travel lift you can run 35s easy, with flat flares you can run 37"s
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Old 08-06-2012, 05:15 PM   #310
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I have a 06 Jeep LJ with a 2" spacer lift. I wanting to know if a set of Toyo open county m/t size 33x13.50R15?
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Old 08-07-2012, 05:46 AM   #311
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Great forum guys.

I have a 2010 rubi lifted 2". I ordered bfgoodrich at 315/70/17. Specs say themeasuring 12.7" wide on 17x9 rims with 4.5" bs. I have bushwacker pocket flares on the jeep now.

Do you think I will have any issues?
Thanks!
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Old 08-07-2012, 01:27 PM   #312
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Guy on this forum just received his 2013 Rubicon and measured the backspace of the new wheels to be 5.75". According to the first post on this thread that would be a .5" less than the previous backspace, is that correct? That half inch might mean that 33" tires may work on the new wheels. My 2013 Rubicon will be here in a couple of weeks and I'll take some more precise measurements and see how they compare to my wife's '07 Rubicon wheels.
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Old 08-09-2012, 10:18 AM   #313
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Ok, Fellers,
I have read and re-read this thread at least twice and I am about to ask some dumb newbie questions. I just want to be sure of things before I go spending a chuck of money. I have a stock 2012 Sport w/ 17s, 5 speed auto,3.73 gear and would like to keep the stock wheels. It is my DD but do some mild offroading.
1) I can go up to 285/70/17 and have no rub with wheel spacers OR a washer on my steering stop. Correct? I would prefer spacers to give it the wider stance and look.
2) Is my assumption that "discoing" is disconnecting the stabilizer bar in order to allow for more travel correct?
3) Does going to a larger tire have any effect on the computer and the shift rate of the tranny? If so, what are the chances of harm? Any computer control problems at all?
4) What are the chances of this affecting my warranty? All I am going to do right now is go up in tire size.
Y'all are a wealth of knowledge, I feel like I am taking Jeep 101 and sometimes my head is about to explode.
Thanks for any info.
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Old 08-13-2012, 12:56 AM   #314
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fantastic thread, like most posters that have read through all the threads, i have learned quite a bit, however, not knowing "exactly" what i'm doing, i still have a few questions about my situation. I would love any input. I have a 2011 JKU Sport S, it's only a 3.21 gear ratio. I am looking at black rock 909 alloys, 15x8 with 4BS. with Duratrac 33x12.50R15. this is a daily driver with the majority of offroad being beach. i am hoping to not lift it, which doesn't seem like it'll be much of an issue, if i understand correctly. based on 4fit's photos it seems like the tire may stick out about 2-3" from the stock fender flares. is there anything wrong with that, or is it just an aesthetic issue? i love the wider more aggressive look. does anyone see any issues with this set-up?
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Old 08-18-2012, 04:32 PM   #315
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IM reading reading and reading but i had a question??...I want to buy this package of wheels and tires
Ballistic Jester black 5x5 18x9 +12mm OFFSET. 285-65-18 Nitto Trail Grappler MT
But i dont know is this is the best deal for my jeep. I dont want to change the stock suspension. This wheels and tires will be fit perfect im my jeep wrangler jk 2008 with NO PROBLEMS ?????
THANKS
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Old 08-18-2012, 04:46 PM   #316
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Quote:
Originally Posted by APOLLO
IM reading reading and reading but i had a question??...I want to buy this package of wheels and tires
Ballistic Jester black 5x5 18x9 +12mm OFFSET. 285-65-18 Nitto Trail Grappler MT
But i dont know is this is the best deal for my jeep. I dont want to change the stock suspension. This wheels and tires will be fit perfect im my jeep wrangler jk 2008 with NO PROBLEMS ?????
THANKS
Should fit fine, but Nitto MTs are typically brutally heavy. If you've got an auto transmission, prepare to be driving a really, really slow jeep. If you use an MT tire a lot (ie offroad a lot) then do be it, but otherwise consider an AT.
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Old 08-18-2012, 04:57 PM   #317
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THANKS my friend and what tires did you recomended...????
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Old 08-18-2012, 06:15 PM   #318
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Originally Posted by APOLLO
THANKS my friend and what tires did you recomended...????
I'm a fan of the Goodyear DuraTracs. But I understand BFG makes a good AT, as does Kelly and others.
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Old 08-19-2012, 01:10 PM   #319
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Another one on a learning curve.

First off, the knowledge and the help from this forum is AWESOME! This is going to be a DUMM question but I have to know. Taking out the "look" factor, why does it seem so important for all the hassle for a bigger tire? I have a 2012 stock stock JK, 6 speed man, open diffs with the 16" rims. I have had my jeep all of a month now and already have dented my front bumper and have had one blow out on the trail with these tires. So I'm wanting to get better, more agressive tires. So help me (a complete noob) out here, why would I want or need a BIGGER tire. It is my DD, but I also got this so I could go explore the trails around here with my family (so far its been an absalute blast). I understand that its a plain jane with the open diffs and no disconect. So being a "noob" at this I'm still not sure what the limitations are. I'm learning. So back to my question, why would I want or need a bigger tire than the stock 225/75/16? I know I'm going to get flamed but I gota know.....bring it on.
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Old 08-19-2012, 02:02 PM   #320
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Quote:
Originally Posted by dhdad View Post
Guy on this forum just received his 2013 Rubicon and measured the backspace of the new wheels to be 5.75". According to the first post on this thread that would be a .5" less than the previous backspace, is that correct? That half inch might mean that 33" tires may work on the new wheels. My 2013 Rubicon will be here in a couple of weeks and I'll take some more precise measurements and see how they compare to my wife's '07 Rubicon wheels.
Unfortunately the new 2013 rubicon wheels are identical backspace to the 2007-2012 wheels, just compared mine to my wifes 07 jk ur

Time 4 spacers
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Old 08-19-2012, 10:40 PM   #321
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Hey hows it going guys...ok so ive been reading up for about two months now and i would hope you can help me out.
I bought my 07 sahara about 3 months ago and the tires are shot...i would like to run 35's on it because come spring time im hoping to have enough money for the teraflex 4".
Ok so my question is would i be ok with running 35's on AEV 17x8.5 Pintler Wheels?...im not worried about gearing due to my truck having the d44 front diff and the rubi 4:10 gear option...im just worried about rubbing issues..(not off road street driven only)

Sorry about the long post but really just trying to find some answers before shelling out 3k...thank you in advance!
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Old 08-20-2012, 07:23 PM   #322
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i'm a fan of the goodyear duratracs. But i understand bfg makes a good at, as does kelly and others.
my friend
i want to know???? If tires 285 65 18 could rub some parts of my jeep??? Thanks
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Old 08-20-2012, 07:45 PM   #323
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Originally Posted by APOLLO

my friend
i want to know???? If tires 285 65 18 could rub some parts of my jeep??? Thanks
If you're using the stock wheels without wheel spacers, then you may rub when you turns. If you're using aftermarket wheels, then probably not.
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Old 08-20-2012, 07:53 PM   #324
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Originally Posted by jeepingchester
.So back to my question, why would I want or need a bigger tire than the stock 225/75/16?
Taller tires move your axle higher off the ground, providing better clearance. Taller tires also allow you more room to deflate them to increase their grabbing potential offroad. Wider tires give you a fatter line so as not to sink so easily in soft stuff, and also provide more surface area to mold to the land once deflated.

So overall, a taller/wider tire with sturdy sidewalls and a good tread pattern that's had some air let out is going to outperform the stock skinnies in a lot of ways.

That said, most folks also factor the "look" heavily into their decision.
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Old 08-20-2012, 07:57 PM   #325
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Originally Posted by Em122
Hey hows it going guys...ok so ive been reading up for about two months now and i would hope you can help me out.
I bought my 07 sahara about 3 months ago and the tires are shot...i would like to run 35's on it because come spring time im hoping to have enough money for the teraflex 4".
Ok so my question is would i be ok with running 35's on AEV 17x8.5 Pintler Wheels?...im not worried about gearing due to my truck having the d44 front diff and the rubi 4:10 gear option...im just worried about rubbing issues..(not off road street driven only)

Sorry about the long post but really just trying to find some answers before shelling out 3k...thank you in advance!
Yes. If you go to AEV's website, you'll see countless pics of pintlers with 35s.

And 4" is probably too tall for 35s. Really 2.5" is enough, and 3.5" is ample. 4" looks--to me--to be too tall.

4.10s are still undergeared for 35s on a pre-2012. A manual trans will be okay, an auto will feel pretty bad.
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Old 08-20-2012, 08:58 PM   #326
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Taller tires move your axle higher off the ground, providing better clearance. Taller tires also allow you more room to deflate them to increase their grabbing potential offroad. Wider tires give you a fatter line so as not to sink so easily in soft stuff, and also provide more surface area to mold to the land once deflated.

So overall, a taller/wider tire with sturdy sidewalls and a good tread pattern that's had some air let out is going to outperform the stock skinnies in a lot of ways.

That said, most folks also factor the "look" heavily into their decision.
Thanks, and I get all that. I guess my point is more what do I need with my inexperienced skill level. I'm just going to go out and hit some basic easy trails, no rock climbing. I would like to climb some mild hills, run through some shallow streams with my family to find some remote places to camp. Does this jeep do this for me or is it just a glorified compass or rav-4. With my motorcycles, I do track-days or track-schools to improve. Is their such a thing for off-roading? That would be awesome. And thanks, I know this is very basic stuff just trying to learn as much as I can before I do something really stupid. And WHEN I do, I want to know what to do.
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Old 08-20-2012, 10:55 PM   #327
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Tons of good info in this thread... thanks to all of the contributors.

So now tell me... My JKU has a 2.5" coil lift and I'm getting 295/70-18 Nitto Trail Grapplers mounted on Ultra Wheel Crushers 18x8.5 +10mm offset. Based on the calculation at the beginning of the thread, that puts these wheels at 5.1" BS. The 295 is about 11.5" wide... Do you think the BS is too much?

The same wheel is also available in 18x10 and 4.5 BS, but for 295's that seems like over kill. Thoughts?
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Old 08-20-2012, 11:35 PM   #328
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Originally Posted by jeepingchester

Thanks, and I get all that. I guess my point is more what do I need with my inexperienced skill level. I'm just going to go out and hit some basic easy trails, no rock climbing. I would like to climb some mild hills, run through some shallow streams with my family to find some remote places to camp. Does this jeep do this for me or is it just a glorified compass or rav-4. With my motorcycles, I do track-days or track-schools to improve. Is their such a thing for off-roading? That would be awesome. And thanks, I know this is very basic stuff just trying to learn as much as I can before I do something really stupid. And WHEN I do, I want to know what to do.
That depends on our relative definitions of "shallow streams" and "remote places." To me, that all sounds like stock level stuff.

The modern JK is the most capable broadly available mass produced offroader available in the United States and much of the world. Of the Wranglers in stock form, the Rubicon trim is the most capable, but they're all better than most everything else. There are only really a handful of mass produced vehicles worldwide that can compete.

Your jeep is very, very much more capable than a RAV-4 or a Compass. The symptoms of many of the reasons why come across while driving onroad, like the stiff ride from your solid axles or the tipsiness of your high center of gravity

But that doesn't mean you can't get stuck or break things. If you need background, watch video in the FAQ sticky explaining various jeep 4wd systems, read the offroading instructionals section in your owners manual that you can download on jeep's owners site, google some online "offroading basics" type articles and watch YouTube videos. There was a great professional review video of a stock JK from . . . maybe car and driver? . . . circulating a few months ago you should try to find.

I do think you'll want a better set of tires before getting too involved, even if they're the same size.

Most folks then practice with some local folks on known trails where somebody has some recovery equipment to get a feel for capabilities and limitations before setting out on a real trip.
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Old 08-21-2012, 07:18 AM   #329
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Thanks, mucho appreciated. The only other problem I have is I wasn't expecting all this jeep stuff to be so ADDICTING.
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Old 08-25-2012, 03:39 PM   #330
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I got my Duratracs yesterday. 285/70/17s on stock '12. It is rubbing a lillte at full turn so I will have to add a washer to the steering stops. I love the look! Any advice on tire pressure? Goodyear inflated to 37 psi, said that was the recommended pressure. I think it is a little to high.

[IMG]
By mikega8 at 2012-08-25[/IMG]

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By mikega8 at 2012-08-25[/IMG]

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