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Old 01-10-2014, 11:16 PM   #1
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Wheel size recommendations - Help?

I have a 2003 TJ with a 3.5" suspension lift, I plan on running 12.5"x 33" tires however I'm not sure which of the following two options I should buy:

1.) 15", 16" or 17" dia wheels?
2.) 8" or 10" wide?

Backspace is not an issue, I will make sure whatever wheels I buy have anappropriate backspace.

It is highly unlikely I will ever be doing any serious rock crawling so airing down the tires probably won't be an issue.

I am looking for recommendations, pictures would be nice too.

Thanks

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Old 01-11-2014, 01:29 AM   #2
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15 i would say is most common and cheapest to buy tires for. 8 or 10 wide is really your preference. Both will work with 12.5 wide but thats max for an 8 inch wide rim so if you dont plan on any wider either of those work. The difference is an 8 inch wide will make the tire kinda bulge out a bit more while the 10 will make the tire a bit more flush with the rim if that makes sense since its closer to the width of the tire. All preference. I run 15 x 8 because i kimda like the bulge look but thats my opinion.

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Old 01-11-2014, 02:49 AM   #3
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15 i would say is most common and cheapest to buy tires for. 8 or 10 wide is really your preference. Both will work with 12.5 wide but thats max for an 8 inch wide rim so if you dont plan on any wider either of those work. The difference is an 8 inch wide will make the tire kinda bulge out a bit more while the 10 will make the tire a bit more flush with the rim if that makes sense since its closer to the width of the tire. All preference. I run 15 x 8 because i kimda like the bulge look but thats my opinion.
The bulge like he's taking about will also "protect" your rim if you plan on crawling. The less wide rim is just less prone to getting scraped
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Old 01-11-2014, 12:07 PM   #4
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Go with 8 inch wide wheel for sidewall protection and better ride qualities whether off road or not. Like stated, 15" tires cheaper and widely available sizes. Here's my spare that's 33x12.5x15 with 3.75" backspace.
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Old 01-11-2014, 12:20 PM   #5
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The bulging will also protect your rims from curbs too. Stay with 8" as there really is no reason to go to a 10" rim with that size tire.
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Old 01-11-2014, 05:50 PM   #6
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I'm considering DuraTrac 33x12.5R15 however since Goodyear recommends 8.5" to 11" wheels some suppliers are saying that they will not mount these on 8" wheels
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Old 01-11-2014, 08:48 PM   #7
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I'm considering DuraTrac 33x12.5R15 however since Goodyear recommends 8.5" to 11" wheels some suppliers are saying that they will not mount these on 8" wheels
That doesn't seem right, my brother ran the 33x12.5 R15 duratracs on 8 inch wide rims, looked great and functioned perfectly


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Old 01-11-2014, 10:22 PM   #8
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That doesn't seem right, my brother ran the 33x12.5 R15 duratracs on 8 inch wide rims, looked great and functioned perfectly
Agreed 8 inch is perfect... Some anal chains won't do it.. Go to a real tire shop...
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Old 01-11-2014, 11:01 PM   #9
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I'm considering DuraTrac 33x12.5R15 however since Goodyear recommends 8.5" to 11" wheels some suppliers are saying that they will not mount these on 8" wheels
If that is the deal then you are dealing with a tire place that does not deal with Jeeps. Walk away from that place now. It takes a bit of finesse to balance these bigger tires and unless they do it a lot they normally get it wrong. Close enough is not good enough. Ask anyone who has dealt with Death Wobble.
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Old 01-12-2014, 12:35 AM   #10
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I'm considering DuraTrac 33x12.5R15 however since Goodyear recommends 8.5" to 11" wheels some suppliers are saying that they will not mount these on 8" wheels
Go to a different provider/installer then. That's the same BS reasoning Sears and Costco have for refusing to mount tire sizes that are larger than what the factory installed.

If you intend to go offroad with your 33x12.50 tires and they're not just for the street, do indeed go with a 15x8 wheel. That width wheel works fine for the street with 33x12.50 tires and it works much better than a 15x10 wheel would when you're offroad. The 15x8 wheel's slightly narrower width means a tire that is aired down for offroading will be less likely to unseat than it would with a wider wheel like a 15x10. In other words, it takes more air pressure to hold a tire safely seated against two edges that are 10" apart than if they are only 8" apart.

When you see Jeeps running 33x12.50 and 35x12.50 tires offroad, they are usually on a 15x8 wheel. That's the size wheel I'm running with my 35x12.50 tires & wouldn't run a set of 15x10 wheels if they were given to me.

Not to mention I've had three sets of 35x12.50 Goodyear MT/R tires installed over the past 12 years and no Goodyear dealer ever batted an eye when it came time for them to install them on my 15x8 wheels.
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Old 01-12-2014, 07:17 AM   #11
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You should go with 8" wide rim as mentioned. As far as diameter, shop for the tires you want in 15", 16", 17" and let that make the choice for you. 15" rim is going to get you the cheapest tires.
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Old 01-12-2014, 09:50 AM   #12
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I agree with the others about the 8" wheel width, but would also recommend that you stay with the 15" diameter. I went to 16" and now wished I hadn't. All it means, is now I get to spend a lot more for the same size tire, and there aren't as many choices. When it comes time to change out wheels, I'll be going back to 15".
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Old 04-05-2014, 07:54 PM   #13
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I agree with the others about the 8" wheel width, but would also recommend that you stay with the 15" diameter. I went to 16" and now wished I hadn't. All it means, is now I get to spend a lot more for the same size tire, and there aren't as many choices. When it comes time to change out wheels, I'll be going back to 15".
So a 15x8 rim with 3.44 backspace would be fine if I put 33x12.50 BFG all terrains? Any suggestions or advice?
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Old 04-05-2014, 08:13 PM   #14
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3.44 backspacing isn't much, it would really make those 33x12.50 tires stick way out. I'd go for between 3.75" and 4.5". I ran 4.5" for years with 35x12.50 and loved how it kept the tires tucked in closer so the Jeep didn't look like a skateboard or have trouble squeezing through narrow trails.
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Old 04-05-2014, 08:16 PM   #15
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3.44 backspacing isn't much, it would really make those 33x12.50 tires stick way out. I'd go for between 3.75" and 4.5". I ran 4.5" for years with 35x12.50 and loved how it kept the tires tucked in closer so the Jeep didn't look like a skateboard or have trouble squeezing through narrow trails.
Sweet! So the higher the BS, the better it is basically?
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Old 04-05-2014, 09:03 PM   #16
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I run 33X12.5X15 BFG ATs and 3.75 BS. The reason some places will not mount your 12.5 wide tires on 8 inch rims is because the minimum RECOMMENDED width for a 12.5 tie is 8.5 inches.

However, everybody does it and it really is a better fit than the 10 inch wheel. It is a common Jeep tire/rim combination.

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Old 04-05-2014, 11:12 PM   #17
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Sweet! So the higher the BS, the better it is basically?
Don't go any more than 4.5" back space. Even with 4.5", which is what I run, you will most likely have to install a washer behind your steering stop (no big deal), but if you don't want to do that, try and stick with 4" bs.
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Old 04-06-2014, 12:23 AM   #18
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Don't go any more than 4.5" back space. Even with 4.5", which is what I run, you will most likely have to install a washer behind your steering stop (no big deal), but if you don't want to do that, try and stick with 4" bs.
3.75 BS sound pretty good then?
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Old 04-06-2014, 01:04 AM   #19
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Running a washer or two on the steering stop bolt is no big deal, I ran that way for years and it doesn't increase the steering radius enough to be noticeable. Personally I'd rather have a wheel with 4.5" of BS and a couple small washers behind the steering bolt stops than wheels with only 3.75" of BS.

You add them like this... http://4x4xplor.com/steerstop.html
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Old 04-06-2014, 01:06 AM   #20
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3.75 BS sound pretty good then?
This is the best pic i could find showing the 3.75 backspacing on mine. As you can see, it sticks out a pretty good bit. Doesnt bother me but some people dont like it. So its all a matter of personal preference. And i agree with WaterDog. Stick with between 3.75 and 4.5. Closer toward 4.5 for them to be tucked in more and closer to 3.75 for them to stick out like mine do. 4 and 4.25 is your kinda medium ground. Its all up to you and what you think looks best

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Old 04-06-2014, 01:11 AM   #21
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This ones a little better actually.. 3.75 BS. Sorry its rotated.. Stupid phone

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Old 04-06-2014, 05:19 AM   #22
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I have 32x11.50 tires mounted on 15x8 Mickey Thompson wheels. I know this may be a dumb question but, I don't know what my back spacing is. Can someone tell me how to measure or figure out what I have? Any help would be appreciated.
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Old 04-06-2014, 07:03 AM   #23
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This is the best pic i could find showing the 3.75 backspacing on mine. As you can see, it sticks out a pretty good bit. Doesnt bother me but some people dont like it. So its all a matter of personal preference. And i agree with WaterDog. Stick with between 3.75 and 4.5. Closer toward 4.5 for them to be tucked in more and closer to 3.75 for them to stick out like mine do. 4 and 4.25 is your kinda medium ground. Its all up to you and what you think looks best
Definitely love how your jeep looks with that 3.75 bs, guess it's time for me to get some new rims now, because the ones I have now have a 3.44BS
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Old 04-06-2014, 10:19 AM   #24
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Mine has 3.75 BS on eight inch rims, BFG 33X12.5X15 AT tires:

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Old 04-06-2014, 12:33 PM   #25
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Mine has 3.75 BS on eight inch rims, BFG 33X12.5X15 AT tires:
Looks pretty sweet!

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