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Old 12-05-2011, 11:20 AM
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Why not 31" tires?

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O.K. thinking abut 32" or 33's. Then I read on the gearing, lifts, handling, braking and on and on. So I'm thinking 31's are starting to sound very good. Comments.

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Old 12-05-2011, 11:28 AM   #2
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Yeah I slapped some 33s on mine about 3 years ago with stock 3.07 gearing and it was "okay" but this time I wanted a little "pep" back, so I bit the bullet and put 31s on it. I don't have that kind if $$$ for a gear swap then, and hated it at the time, but being an 80% on road vehicle, it was justifiably, and now I'm glad I did

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Old 12-05-2011, 11:29 AM   #3
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31's are perfect on a stock TJ, lift it then go bigger. But I don't know what you have.
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Old 12-05-2011, 11:36 AM
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I have a TJ with 31's anda 2" bb lift
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Old 12-05-2011, 05:57 PM   #5
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It really just depends on what you want out of your jeep. If you like the flex room and the fuel mpg that you have with 31s, you might consider staying with that combo. Do you know what size gears you have? I did a 2.25" BBL with new skyjacker hydro shocks and 33x12.5x15 Duratracs, I did loose some mpgs 2 or 3, but my handling improved, I went with "lighter" wheels and tires, so I didn't notice any changes in braking distance. I have 3.07 gears and I am considering doing a gear swap.
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Old 12-05-2011, 06:25 PM
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I have 3.73 gears. I starting thinking of 32" then started reading on 32/33 and it sound like alot to spend for an 1" or 2"
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Old 12-05-2011, 10:09 PM   #7
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When I got my Duratracs the 31x10.50x15s cost $165 ea. And the 33x12.50x15s cost $169 ea. from Tirerack. If I had 3.73 gears I wouldn't be thinking about the gear swap. I don't think you'd lose much mpg maybe 1 or 2, You would lose some fender to tire clearance. also, actual tire measurements usually differ from what's advertised. like mine are really 32x11.50x15. but it says 33x12.50x15 on the sidewall. I like the way my tj looks and rides. It's all about what You want.
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Old 12-14-2011, 10:46 PM   #8
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Im in the same dilemma.Is the size difference a very noticeable difference?
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Old 12-15-2011, 06:12 AM   #9
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I've got a 2.5" RC suspension lift with 32x11.50x15 BFG AT and 3.73 gearing. Turns those tires with no problems.
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Old 12-15-2011, 10:27 AM   #10
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I put a set of 31's on mine a few months ago and am very happy with them. Firestone AT's. I have a TJ, 2006, no lift yet but one day would like a 2" lift.
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Old 12-15-2011, 06:51 PM   #11
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Originally Posted by 1jeeplvr View Post
Im in the same dilemma.Is the size difference a very noticeable difference?
Here's a pic of the 30x9.50x15 installed on my jeep, and the new Duratrac 33x12.50x15 sitting next to it. I have a pic of my jeep with the 2.25in BBL installed on the front with the new wheels and tires, while the back is still stock with the gamblers and 30s. I just gotta find it.
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Old 12-15-2011, 07:01 PM   #12
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Im in the same dilemma.Is the size difference a very noticeable difference?
Here's that pic and another, the 2nd pic you can also see the different backspacing from the DC2s and the Gamblers.
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Old 12-15-2011, 07:11 PM   #13
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are the 33 "s mickey thompsons?
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Old 12-15-2011, 07:12 PM   #14
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Originally Posted by dpchristie View Post
All,
O.K. thinking abut 32" or 33's. Then I read on the gearing, lifts, handling, braking and on and on. So I'm thinking 31's are starting to sound very good. Comments.
Depends what you are aiming to do. If you want a plaything for the off-road parks, that's one thing, and you'll probably want to just skip the 32-33 and jump up to 35"+ anymore. If you want a 4wd vehicle to explore trails, camp in the backcountry, get around in the winter, then maybe you don't need the big tires quite so much.

There is nothing in Michigan, apart from the parks, that can't be navigated with 31" tires of appropriate tread pattern, a LSD or locker in the rear, and a driver with a brain.
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Old 12-15-2011, 07:15 PM   #15
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i love the look of 33's and those duratracs. I'm also looking at a DPG OME lift. the kit is around 1500, tire and wheel combo i'd guess is about another 1500. regearing is yet another 1500 give or take. it's turning me off, I don't have all that cash. someday...
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Old 12-15-2011, 07:21 PM   #16
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Something to keep in mind is a 33x12.5x15 Duratrac actually measures 32"x11.5" when mounted. I run this on a 2" lift with no issues at all.
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Old 12-15-2011, 07:34 PM   #17
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Originally Posted by beauty and the beast View Post
are the 33 "s mickey thompsons?
No, they are Goodyear Duratracs
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Old 12-15-2011, 07:37 PM   #18
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i love the look of 33's and those duratracs. I'm also looking at a DPG OME lift. the kit is around 1500, tire and wheel combo i'd guess is about another 1500. regearing is yet another 1500 give or take. it's turning me off, I don't have all that cash. someday...
Yea, pretty close, my wheel and tire combo came to $1326 with shipping.

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