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My new 31x10.5R15 Duratracs
http://www.lostjeeps.com/forum/phpBB3/viewtopic.php?f=8&t=80919
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Author:  WHITE the civilian [ Sun Dec 21, 2014 10:47 pm ]
Post subject:  My new 31x10.5R15 Duratracs

I've recently purchased 5 new cragar soft 8 wheels in 15X7 with a 4" Backspace
in addition to, 5 Goodyear Duratracs in load range C and white wall.

Just had them mounted at the local Sams Club.

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Author:  tommudd [ Mon Dec 22, 2014 1:16 am ]
Post subject:  Re: My new 31x10.5R15 Duratracs

Ready to throw snow!!
Just keep them rotated :wink:

Author:  WHITE the civilian [ Mon Dec 22, 2014 2:13 am ]
Post subject:  Re: My new 31x10.5R15 Duratracs

tommudd wrote:
Ready to throw snow!!
Just keep them rotated :wink:


Heck yeah!

Arb, winch and lights are next then a regear after those are done this Christmas. .

Author:  lfhoward [ Mon Dec 22, 2014 11:31 pm ]
Post subject:  Re: My new 31x10.5R15 Duratracs

Those look awesome. :JEEPIN: 8)

Author:  WHITE the civilian [ Tue Dec 23, 2014 12:35 am ]
Post subject:  Re: My new 31x10.5R15 Duratracs

Gee, ..thanks!

Author:  WHITE the civilian [ Fri Dec 26, 2014 9:13 pm ]
Post subject:  Re: My new 31x10.5R15 Duratracs

This is what daylight at its peak looks like in Anchorage, AK in December.

31x10.5. On 15x7 4" BS Soft 8's

Aired to 35 PSI

You HAVE TO completely delete the area where the pinch weld lies, completely flat for these not to rub. Depending on your KJ you may also have to fold over your already trimmed (from running your 245/70R17 or 245/75R16) air D-a-m-n right in the front of the wheel well so the extra wide 31X10.5 won't grab after making hard turns (full lock left or right in forward or reverse)

Overall I've driven with Duratracs probably a few thousand miles on a 2013 JK and they are a great performer.

Edit: Back when I first was looking to lift my KJ I used the Limiteds stock wheels with no wheel spacers and ran a 245/70R17 Kumho KL78. After trimming the pinch weld I never noticed they were there at all. I had zero rubbing on my 1.5" OME lift (1.5" not 2.5" with spacers!)

I noticed a power loss when using my 245/70R17's for the first time. But going from those old worn out Kumho's to the Duratracs I haven't been able to notice any additional loss. That being said if you run these, plan on regearing as if you were running 32's.

But as you see in the photos below my KJ is 2.75" overstock in the front and 2.5" in the rear.

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31x10.5R15's are more affordable on average than any 245/75 as well as the wheels being lower in cost.
There is no reason not to run these!

Author:  rhyanb12 [ Mon Dec 29, 2014 3:06 am ]
Post subject:  Re: My new 31x10.5R15 Duratracs

Nice choice. I always heard good things about the snow traction of Duratracs. That's actually my target tires on my next change.

Author:  WHITE the civilian [ Mon Dec 29, 2014 7:33 am ]
Post subject:  Re: My new 31x10.5R15 Duratracs

rhyanb12 wrote:
Nice choice. I always heard good things about the snow traction of Duratracs. That's actually my target tires on my next change.


They are also the quietest aggressive tire I've ever run. Thanks for looking.

Author:  65Corvair [ Wed Apr 22, 2015 1:40 pm ]
Post subject:  Re: My new 31x10.5R15 Duratracs

Do you think you would have as much rubbing issues it you went with a rim with 4.5 inch back space?

Author:  WHITE the civilian [ Thu May 14, 2015 8:06 pm ]
Post subject:  Re: My new 31x10.5R15 Duratracs

65Corvair wrote:
Do you think you would have as much rubbing issues it you went with a rim with 4.5 inch back space?


The rubbing would be worse with a 15X7 with a 4.5" backspace. You wouldn't want that at all!

Author:  65Corvair [ Tue May 26, 2015 1:26 pm ]
Post subject:  Re: My new 31x10.5R15 Duratracs

With the .5 inch more backspacing, that would bring the tires in further to help prvent rubbing on the inner fender and pinchweld areas? But it also increrase the chance of rubbing on the sway bar at full lock.

Author:  WHITE the civilian [ Fri May 29, 2015 2:13 am ]
Post subject:  Re: My new 31x10.5R15 Duratracs

65Corvair wrote:
With the .5 inch more backspacing, that would bring the tires in further to help prvent rubbing on the inner fender and pinchweld areas? But it also increrase the chance of rubbing on the sway bar at full lock.


Yes a 4.5" would bring the wheel in .5"s, thing is with a 31X10.5 you have a tire that is 1/10" wider than a 265. 265's work well with this much of a stick out with the larger 16" wheels.

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