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Jeep Wrangler Tires and Wheels

196 messages,  Last post on Dec 02, 2009 at 9:55 AM

You are in the Jeep Wrangler Forum. Your Hosts are steve_ & tidester

What is this discussion about? Jeep Wrangler, Jeep Wrangler Unlimited, Jeep Scrambler, Jeep CJ-5, Jeep CJ-7, Tires, Wheels, SUV


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#75 of 196
wrangler unlimited by romefence
Aug 12, 2007 (2:16 pm)
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Looking to add a 3" lift and 35"x12.5X17 tires to new 4 dr. Will probably have dealer do this. Anything I need to know? Anything else I would need added? Will the 6 cyl. have enough power? Will 2008 have a 8cyl option?
#76 of 196
Another '08 Unlimited Question by jeepincarnate
Aug 27, 2007 (11:24 am)
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I just put my order in today for an '08 Sahara. While I'd love to go hog wild with mods, I've heard horror stories of the complexity of lifting the 4 drs. Also, it has to function as a daily driver (all excuses for "the wife won't let me").
 
So, here is my question:
 
What is the largest sized tire and wheel package I can throw under this pup without any rubbing? Does anyone know where I can find rims? (I doubt they've revolutionized their wheel specs for '08, but I can't seem to find any dealers that carry what I'm looking for online). Ideally, I want powder coat black rims between 17 and 18" with 31 or 32"rs. If anyone knows of any pitfalls with this set-up, or if I can safely go bigger, please alert me.
 
Thanks!
#77 of 196
31 all terrian BFG's on TJ by sah538
Aug 29, 2007 (7:55 pm)
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After talking to a tire dealer about putting 31 inch tires on my TJ he told me that they would rub the control arms but it could be done anyways. Is it not a good idea to go with the 31's on a stock jeep?
#78 of 196
Re: 31 all terrian BFG's on TJ [sah538] by jeepincarnate
Aug 29, 2007 (8:07 pm)
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Replying to: sah538 (Aug 29, 2007 7:55 pm)

I had 31's on my 98 stock TJ, they definitely rubbed . . . alot. It cut my turn radius down considerably, but after a while I got used to it. They looked great and fit on my factory rims, which was a plus, but in retrospect a lift would have been a better first investment. The larger tires also threw my speedometer off resulting in couple of tickets in strictly patrolled areas. I would recomment having that adjusted as well.
#79 of 196
Re: 31 all terrian BFG's on TJ [jeepincarnate] by erickpl
Aug 30, 2007 (7:42 am)
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Replying to: jeepincarnate (Aug 29, 2007 8:07 pm)

31" tall tires are NOT the culprit in the rubbing. It is the WIDTH of the tire, most likely 10.5 vs the 'stock' 30x9.5 available with the Sport models.
 
You can fix this problem in a few ways:
1. Make steering stop adjustments as shown at 4x4xplor.com's website
2. Go with wheels with less backspacing than the stock 5.5" that come on most Jeeps (other than Rubicons).
3. Add wheel spacers. I run 1.25" Spidertrax spacers on my stock Jeep Canyon wheels so I have an effective backspacing of 4.25". They stick out a bit more. I have 33x12.5" tires.
 
31" tall tires are more likely rub when flexing offroad and stuff a bit into the fender well. Proper fix for that is to adjust the bumpstops located 'inside' the spring at the top. If you look at that area, you'll see what I mean.
 
When I put my 33's on, I also regeared my differentials from 4.10 to 4.88 (2.5L engine here). That combination of 4.88, 33's and my transmission actually made my speedo MORE accurate than it was previously (I had gone from the stock 28" tires to 30" tires prior to the 33's).
 
Getting the speedo set back to accurate will require you to know your tire size and your current differential gearing. Look at this information and you can tell which speedo gear you'd need.
 
http://www.raingler.com/jeepReference/speedoChart.html
 
A lift does nothing more than allow to fit those bigger tires. If you only want to go to 31's, a lift isn't required. Having said that, Jeeps do LOOK better when lifted a bit and they perform even better offroad when lifted as you have better clearance under the axles with those larger tires.
 
-Paul
#81 of 196
jeep wrangler unlimited 2008 by jaigohil
Dec 30, 2007 (2:33 pm)
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With a 17'' rim whats the largest tire i can fit without rubbing ca anyone help?
#82 of 196
Re: jeep wrangler unlimited 2008 [jaigohil] by erickpl
Jan 02, 2008 (9:01 am)
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Replying to: jaigohil (Dec 30, 2007 2:33 pm)

Rim size is irrelevant, except to the pocketbook.
 
For fitment, you need to consider the overall tire diameter (32, 33", etc) and the wheels backspacing. Backspacing refers to the wheel's offset and how far in or out the wheel sits in relation to the rest of the Jeep.
 
TJ's stock offset is 5.5". I added 1.25" spacers to mine to reduce the offset to 4.25". As a result, the lower backspacing sticks the wheel out further. I'm not sure what the offset is on your JK's wheels, but if you have a stock height JK, you can probably run 32's or 33's w/o lifting. At least that is what I THINK I've heard.
 
-Paul
#83 of 196
? death wobble fix ??? by jim03tj
Jan 18, 2008 (11:22 pm)
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As a new member I have been reading the posts and I do believe I have the "death wobble" on my 03 sport. What causes this and how do i fix it? I have 3" spring spacers, 32x12.5 mickeys on 15x10 rims, (back spacing is 4.5). I had to change out the stock shocks, and steering stableiser. Would the dropped pitman arm eliminate this, or is it something else ? I am looking to get a set of 33x12.5's in the next week or so, but I dont want the same problem with the wobble. Any help would be great, thanks
#84 of 196
Re:? death wobble fix ??? by jim03tj by yjbob
Jan 20, 2008 (6:15 pm)
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There are many posts about death wobble in the main Jeep forum. Often it comes from anything being loose in the steering system. Have a buddy move the steering wheel slowly back and forth while you look underneath for any signs of looseness. Good luck.

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