33"s duratracs vs ko2 vs stt pro? - JKowners.com : Jeep Wrangler JK Forum
 
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post #1 of 18 Old 02-08-2016, 08:24 PM Thread Starter
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33"s duratracs vs ko2 vs stt pro?

as the title says, im having a hard time deciding on tires for my 14 jk sport. it has 3:21's in it unfortunately thats y im not goin 35"s. i live in upstate ny so we do get snow, do mostly mud and dirt trails no rock crawling and it is my dd. they will be goin on either 17" or 18" xd addicts or pro comp rims. any input on these tires and how they compare would be great! thanks


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post #2 of 18 Old 02-08-2016, 09:14 PM
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I have toyo KO2 in 34x10.5-17 and they would work well with 3.21's. They are excellent tires for a DD. I swap back and forth between these and Toyo 35's and you might want to add Toyo at2's to your list as well in say a 285/70-17. both are excellent all around tires.
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post #3 of 18 Old 02-09-2016, 03:42 AM Thread Starter
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i can run 34"s with my gears? i did notice the bfg ko2's come in a 34"


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post #4 of 18 Old 02-09-2016, 07:38 AM Thread Starter
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i will have a flashpaq too if that matters


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post #5 of 18 Old 02-09-2016, 08:38 AM
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DD? I would think road noise might be a consideration?

For gearing considerations, my 315/70 Duratracs measure 33.5" at 28psi.
They are really quiet on the street while performing well offroad.

I had KO2s on my WJ, to get the M+S rating I had to get an E-rating. They were not significantly different in road noise from the Duratracs on my JK but the E-rating gave a harsh ride. Considering the difference in tire size between the JK and WJ, noise from the KOs was on par with the larger tires on the JK, telling me the KOs are not as quiet of a tire.
I've since put Duratracs on the Grand. I don't notice any road noise. Then again, I drive the JK topless, so my perception may be skewed.

Last edited by funfred; 02-09-2016 at 08:40 AM.
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post #6 of 18 Old 02-09-2016, 05:19 PM Thread Starter
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so i shudcbe ok with 34"s?


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post #7 of 18 Old 02-09-2016, 05:35 PM
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I have a jeep and 2 trucks that I plow with that have Duratracs. We really like them. I also have a jeep and another plow truck w bfg ko2's. Seem good so far. I would seriously consider the 34 10.50 bfg or a 285 17 duratrac.
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post #8 of 18 Old 02-09-2016, 07:29 PM Thread Starter
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do the duratracs run small?


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post #9 of 18 Old 02-09-2016, 07:49 PM
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3 totally different tires with the STT Pro's being the most aggressive. Depending on what you plan on doing with the Jeep will determine which tire is best for you. All good choices but mine would be STT Pro's.


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post #10 of 18 Old 02-10-2016, 12:09 PM Thread Starter
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are the coopers true to sz? and what sz would you reccommend for my 3:21's?


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post #11 of 18 Old 02-10-2016, 05:32 PM
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Quote:
Originally Posted by 2014blkjk View Post
are the coopers true to sz? and what sz would you reccommend for my 3:21's?


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They are close but not exact. If you have a 2012 or newer, you can go 315/70R17's on 3.21's without much loss in power.


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post #12 of 18 Old 02-10-2016, 06:27 PM Thread Starter
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ok great. i have a '14 automatic


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post #13 of 18 Old 02-10-2016, 06:34 PM Thread Starter
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will the flash paq make a difference?


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post #14 of 18 Old 02-10-2016, 10:20 PM
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Quote:
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will the flash paq make a difference?


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With speedometer and shift point correction....yes.


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post #15 of 18 Old 02-14-2016, 08:14 AM
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Our JKU Rub has the 315/70/17's with just under 40k on them. They are getting down on tread and are starting to get louder now. But, the wife always commented on how great they were in the snow and how she didn't use 4wd that much. Thankfully Buffalo has had a mild winter so I didn't have to pull them. They have worked well for us and I take it in the creek with some rocks and have no chunking under these conditions. We also don't do deep mud so I cant comment on that.
Would buy them again but also looking at Nittos and Cooper STT Maxx and the KO2

  1. '10 Rubicon Unlimited
  2. Rock Krawler 3.5 Mid Arm Flex/Bilstein 5100's
  3. Rough Country SS
    4.GDY Duratrac 315/70/17

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post #16 of 18 Old 02-19-2016, 09:45 AM
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some good info here. I am also thinking about switching out tires gonna keep my stock rims for now to save some money. But after my research i think the bfg ko2 is at the top of the list!! i would def. check them out if i was you.
Im prob gonna go with 275x70x18 which comes out to 33.2 inches says tiresize.com

are you gonna put any lift or spacers??
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post #17 of 18 Old 02-19-2016, 11:02 AM
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Quote:
Originally Posted by 2014blkjk View Post
do the duratracs run small?

Mine are almost an inch smaller than the numbers would tell for the 315/70-17s.
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post #18 of 18 Old 02-19-2016, 12:02 PM Thread Starter
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2.5" lift pro comp or xd rims


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