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Old 08-26-2010, 08:49 PM   #1
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Tire size question

Hi all,

First I just want to say that I am brand new to Jeeps so I'm a total newb, just picked up an 09 Sport model on Monday, so please be gentle.

For a little while before buying my JK I've been lurking on this and other forums and learning more than I thought there was to learn about Jeeps, and I'm totally hooked on my new ride. That said I am very confused on the following.

Why is everyone obsessed with 33 inch tires? Mine came with 255x75x17(i belive) and that comes out to be a 32 inch diameter tire. Why does everyone want 33's when thats minutely larger than what comes with them? Do the benefits outweigh the cost of up-sizing??

Again I'm totally new to Jeeps and offroading in general. I'll admit that 99% of the time I'll be using mine as a daily driver(at least till it's mostly paid for) And until then I'll never have a need for larger tires but I am really curious about this subject.

Any shared knowledge would be greatly apreciated.
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Old 08-26-2010, 08:55 PM   #2
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Looks better and more ground clearance but that doesnt apply to your situation very much.

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Old 08-26-2010, 09:12 PM   #3
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I agree the 33's look way better. Just bought an 07 sport 4dr and I'm upgrading. Can't wait!!!
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Old 08-26-2010, 09:19 PM   #4
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If you go one time offroad you will see way.
Things is, after you might don't want to stop

Bought mine about two months ago and went once on some dirt roads (no problems there) and once in a place where i have to let mine down after the first trail and go as passenger because my 32" and no lift wouldn't have a chance on those wet rocks where everyone else was going

Now i can't wait for next trip ... only one week left :P
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Old 08-27-2010, 04:01 AM   #5
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It's not just the size but the brand, type, construction, etc.

These stock 32" tires on my Sahara barely measured 31", had weak sidewalls that weren't suited for airing-down, and had a tread pattern that clogged easily with mud and was also slippery on wet roads.
Bad tires for a Jeep:



Fast forward a little.
Stock 18" wheels were swapped for 16s and proper tires fitted.



For me, it's not about any particular "look". It's about performance.
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Old 08-27-2010, 07:11 AM   #6
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^^What do you have on there now looks nice
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Old 08-27-2010, 08:24 AM   #7
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Quote:
Originally Posted by Hilldweller View Post
It's not just the size but the brand, type, construction, etc.

These stock 32" tires on my Sahara barely measured 31", had weak sidewalls that weren't suited for airing-down, and had a tread pattern that clogged easily with mud and was also slippery on wet roads.
Bad tires for a Jeep:



Fast forward a little.
Stock 18" wheels were swapped for 16s and proper tires fitted.



For me, it's not about any particular "look". It's about performance.

Thanks, that makes sense. Looks like I've got a lot to learn!
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Old 08-27-2010, 08:53 AM   #8
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Quote:
Originally Posted by Gilliskhan View Post
Thanks, that makes sense. Looks like I've got a lot to learn!
At some point every Jeep owner makes a decision about how they intend to use their vehicle. For some owners this is an evolutionary process, some revolutionary, some have it figured out before the ink is dry on the contract.
I bought my Jeep thinking that I'd be hitting the forest service roads and doing a bunch of camping. I was right.
But then I got further offroad and found the areas where my Jeep could be improved in terms of safety and ease of travel ---- accent on not getting stuck and self-recovery, if necessary.
Then I discovered the joy of wheeling in really remote/steep/scenic areas.

A good set of tires is the first and most fundamental step in the process of anybody that intends to take their Jeep offroad. Some tires are well-suited to mud, rocks, street, sand, etc, to the exclusion of other environments; the enthusiast is wise to research his tire choice...


Quote:
Originally Posted by Jkw View Post
^^What do you have on there now looks nice
Thanks.
After painful trial and error, I've come to love my Cooper Discoverer STT tires. They're good on everything that Georgia dishes out and are a relative bargain.
Cooper makes most of the high-end designer tires anyhow so I never even really considered most other brands. The only other tire that I've run that held a candle to them is the Goodyear MTR/kevlar ---- but they're not well-suited to sticky mud and we have that in abundance here.


It's a Jeep; you set your own limits.
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Old 08-27-2010, 09:33 AM   #9
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I'm pretty sold on MT/R's because I ran the older non kevlars on my wife's old truck and they were great, but every time I see hill post on tires I start rethinking... Mud is a non-issue though. I'm headed back to El Paso in January and while I do know where they hide the mudholes there, it's not the most prolific terrain... I'll be dealing in sand dunes and rock, and the old MT/R's were a great fit for that area

Anyone used both the older non-kevlar MT/R's and the new version that can compare traction between the two? The older MT/R's self cleaned mud fairly well, and hill has said a bunch of times that the new ones aren't so hot at it...

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