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Old 03-14-2018, 01:15 PM
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Wheel size questions

Its time to buy wheels and tires for my YJ ijust installed a 2.5 lift and a 1 body lift.
Im looking at using Tornbirds 31X11/r15 or 31X12.5/r15 on some procomp wheel but cant decide if I should use 10 or 8 rims anyone got pics of the wheel and tire set up and what size rim your using.

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Old 03-14-2018, 02:05 PM   #2
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Quote:
Originally Posted by Pufferking View Post
Its time to buy wheels and tires for my YJ ijust installed a 2.5 lift and a 1 body lift.

Im looking at using Tornbirds 31X11/r15 or 31X12.5/r15 on some procomp wheel but cant decide if I should use 10 or 8 rims anyone got pics of the wheel and tire set up and what size rim your using.


8 are most common, less chance of rock rash too!Click image for larger version

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1992, 4.0,5 spd, BDS 4.5 heavy duty lift, jb conversions ss sye, 8.8 with ARB, Aussie front, tj shafts, dual dia.brake booster, 33 bfg a/t

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Old 03-14-2018, 04:21 PM
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Thanks yours looks nice and those are 8” wheels what is the back spacing on those rims.
I’m trying to get a look/stance like this jeep.
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Old 03-14-2018, 04:37 PM   #4
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Originally Posted by Pufferking View Post
Thanks yours looks nice and those are 8 wheels what is the back spacing on those rims.
Im trying to get a look/stance like this jeep.


Backspacing is 3.75...


1992, 4.0,5 spd, BDS 4.5 heavy duty lift, jb conversions ss sye, 8.8 with ARB, Aussie front, tj shafts, dual dia.brake booster, 33 bfg a/t
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Old 03-14-2018, 05:50 PM   #5
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Quote:
Originally Posted by Pufferking View Post
Im trying to get a look/stance like this jeep.
The wheels and the stance won't attract the cargo.
It takes $$$$$$$$$$ to be able to load that kind of cargo.

Good Luck, L.M.
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Old 03-14-2018, 05:55 PM   #6
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There's a Jeep in that pic?
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Old 03-14-2018, 06:14 PM   #7
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There's a Jeep in that pic?
I'm a happily married man. I even noticed the Jeep doesn't have a spare.

Good Luck, L.M.
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1987 YJ-4.2L-Standard Shift- Re-manufactured Carter Carb-2" body Lift-31X10.5X15 BFG KOs-190K Miles No back seat.
HEI distributor with computer and all related relays and wiring removed.
12K Badlands winch with dual batteries.
Warn front bumper. Matching imitation Warn bumper on the rear.
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Old 03-14-2018, 06:48 PM   #8
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Wait they STILL make thornbirds???

In the 90's we used to laugh whenever we saw them....

I suggest reconsidering.... there are so many much better tires available.
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Old 03-14-2018, 06:49 PM   #9
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I'm a happily married man. I even noticed the Jeep doesn't have a spare.

Good Luck, L.M.
You got it wrong.... that jeep has TWO spares!
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Currently in the stable: ... 97 tj 4.0 5 speed stock....04 tj 4.0 auto 4" and 33's... 98 tj roller for future build... 94 yj sahara 4.5" RE and 33's... 92 yj sbc 3/4 ton axles and 38's... Cj5,7,yj,xj,ex mud dragster project

TJ dash speakers that actually rock! Kicker sub and amp in center console
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Old 03-14-2018, 08:37 PM   #10
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Wait they STILL make thornbirds???

In the 90's we used to laugh whenever we saw them....

I suggest reconsidering.... there are so many much better tires available.
On a serious note, agreed. There are SO MANY other choices for really good on/off road rubber, and Thornbirds shouldn't even be on the list.
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Old 03-14-2018, 08:42 PM   #11
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8” wheels work well and make the tire sit taller and truer to advertised size.
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Old 03-14-2018, 11:15 PM   #12
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8" wheels are less likely to pop a bead while on the rocks, and if you do pop a bead, it's easier to reseat it.

Why do you want such a wide tire? What kind of off-roading do you plan on using the Jeep for?

Good Luck, L.M.
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"Wrangler....It's not just a vehicle, It's a lifestyle".
.................................................. ........................
1987 YJ-4.2L-Standard Shift- Re-manufactured Carter Carb-2" body Lift-31X10.5X15 BFG KOs-190K Miles No back seat.
HEI distributor with computer and all related relays and wiring removed.
12K Badlands winch with dual batteries.
Warn front bumper. Matching imitation Warn bumper on the rear.
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Old 03-15-2018, 01:38 AM
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Lmao the wife would kill me if them girls was in my Jeep I knew when I posted the pic everyone would notice the women lol

So What brand tires do you guys recommend.
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Old 03-15-2018, 04:04 AM   #14
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I'm a huge fan of bfg's... I have km2's on two jeeps and one dually and ko2's on my other dually....

Tires on both jeeps are 33 10.50s w 15x7's on the silver one and 15x8's on the gold one...

I like my tires skinny... work better for me and don't cover my jeep in whatever I drive through but they are available wider for folks who are into that.
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Currently in the stable: ... 97 tj 4.0 5 speed stock....04 tj 4.0 auto 4" and 33's... 98 tj roller for future build... 94 yj sahara 4.5" RE and 33's... 92 yj sbc 3/4 ton axles and 38's... Cj5,7,yj,xj,ex mud dragster project

TJ dash speakers that actually rock! Kicker sub and amp in center console
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Old 03-15-2018, 11:09 AM   #15
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I like my BFG KM2s also. They ride well on the street for a mud tire and have performed really well aired down on the few Colorado trails I have done!


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Old 03-15-2018, 11:52 AM   #16
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I have a lot of trucks. A lot. Over the years I've had the chance to run a bunch of different tires on them. Right now the Jeep is wearing Cooper Discoverer AT3s in 30x9.50x15. After roughly 5000 miles, I can say I like them a lot. They're pretty nice on road - not too loud, not too stiff, handle well in the rain (I'm in the Pac NW), and are aggressive enough for two-track, some trail riding, a little mud, and mild shenanigans on the beach. They were fine in the snow, too...what little we had. All in all, they work for how I use the Jeep, and the bang for buck factor is pretty high.

My experience with BFGs came from the set of T/As I ran on my full size Blazer. They were fine for the most part, but they didn't handle surface water at speed very well, which was a problem. They were also pretty loud on road. Overall, they were a good tire but I didn't love them. To be fair, these were the old style KO2s, not the new design, so YMMV.

For a rig that sees more off road time, I've run both Goodyear Wrangler Duratracs and Nitto Trail Grapplers. I love the look of the Trail Grapplers, but both tires worked very well off the asphalt. It didn't matter if it was mud, snow, sand or rocks, both tires ate them up. The Duratracs are also pinned for studs, if snow is an issue where you live. The downside is that neither tire is what I would call inexpensive, but you get what you pay for. Also, running MTs on a daily driver is a personal choice. I'm not sure if I would put them on a rig I used to commute back and forth to work.
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Old 03-15-2018, 12:39 PM   #17
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I love my bfgs, newer KO2s? Its hard to tell if they have even worn? Also agree with above comments, if its mainly a daily driver(like mine) you will get many more miles out of them. These went thru the Rubicon trail back in 2016 and will go again this coming August, aired down to 12-15 lbs🤙not a gash on them too!


1992, 4.0,5 spd, BDS 4.5 heavy duty lift, jb conversions ss sye, 8.8 with ARB, Aussie front, tj shafts, dual dia.brake booster, 33 bfg a/t
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Old 03-16-2018, 05:50 PM   #18
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I have to tell you, don't get the T-birds, if you drive your jeep a lot on road. I had them for many years back in the day, and they did have issues. It took a lot of weights to balance them, they would flat spot by morning, and they would tend to wonder on road. However they did wear really evenly, but got louder as they wore down. if you do get them, the size of the wheel you want will be dependent on the tire you chose. I had the 31 12.5's and I had 10in wheels, 8in wheels on that size would not fit. The tires were more like a 14.5 in width. The 11.50 I had for a spare was perfect on the 8in wheels. I would get a better tire, not to mention, all swampers are crazy expensive these days.
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Old 03-17-2018, 03:41 AM
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I have to tell you, don't get the T-birds, if you drive your jeep a lot on road. I had them for many years back in the day, and they did have issues. It took a lot of weights to balance them, they would flat spot by morning, and they would tend to wonder on road. However they did wear really evenly, but got louder as they wore down. if you do get them, the size of the wheel you want will be dependent on the tire you chose. I had the 31 12.5's and I had 10in wheels, 8in wheels on that size would not fit. The tires were more like a 14.5 in width. The 11.50 I had for a spare was perfect on the 8in wheels. I would get a better tire, not to mention, all swampers are crazy expensive these days.
Thanks for the info guys i Will look into other tires. Was also looking at the TrXuS STS radial a friend has them but on 10” wide rims they lasted him years on his daily driver.
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Old 03-17-2018, 10:31 AM   #20
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I had the STS's on my jeep from 02 till 2017. They were a really good tire. I daily drove those tires for around 8 years. I still have them and I am going to put them under my cj5 which is a lake toy now. I wanted to get another set but dang they are crazy expensive, and Interco does not always have the sizes they list in stock.

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