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Old 07-31-2013, 02:14 PM   #1
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Tire Ply Confusion

Still learning about this tire thing. I like the Duratrac look, but can't seem to find any sizes of it that are of acceptable ply rating. (aka not 10 ply).

What are you all running? Why can't I find any ply options in Duratracs?
You can't be running 10 ply... right??

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Old 07-31-2013, 04:11 PM   #2
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That would be load range E. The DT is a soft tire with compliant sidewalls so you can run it, especially on a 4-door or heavy Jeep, but I'd still prefer a load range D for better tread compliance when aired down.

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Old 07-31-2013, 04:12 PM   #3
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Oh, I don't run DuraTracs due to the 2-ply sidewall and I don't want to go to Es. I run MTR Kevlars. I may get it for my 4Runner when the 4R needs tires next.
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Old 08-01-2013, 07:30 AM   #4
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My concern is that my Jeep (2 door, not heavy) will be too harsh to drive. It is my daily driver.
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Old 08-11-2013, 02:04 PM   #5
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I'm getting new tires right now and they won't be load range E. The only time that would be an advantage on a jeep is for increased sidewall strength while wheeling aired down or in the rocks. The rest of the time you have to put up with a stiff and heavier tire. I run E on my Dodge Cummins because of the weight and torque and loads I carry.

Next thing is the whole "10 ply" thing. So annoying! All modern car and light truck tires have either a 2 or 3 ply sidewall. And the number of plys don't tell you much about the strength of the sidewall since not all plys are the same. When dealers call them 10 ply they are deliberately misleading the buyer.

It's reassuring to have durable tires on a Jeep, but driveability and efficiency are important too. My JK is a DD and I wheel in the desert, but I also drive through the Sierras in winter almost every week. I want a flexible AT tire with plenty of sipes that I can air down a bit in winter for frozen roads and even more for rough sandy trails.

I've found that running a bit lower pressure in an E tire to make it ride like a standard load tire doesn't exactly work. They are still heavier and they make more heat when flexing.

For me the Toyo AT2 in standard load with a road hazard warrantee seems like the right setup, but everyone has different needs. I'm giving up a bit of sidewall strength for better performance everywhere else.
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Old 08-11-2013, 02:10 PM   #6
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I have the load range E Duratracs and I don't find them any worse than my old Terra Grapplers on the road in regard to harshness on my 2 door. I love em the traction is outrageous offroad.
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Old 08-12-2013, 09:31 AM   #7
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No tires actually have 10 plys anymore. That is the old rating system that is only used in name today to help people make decisions. But tire tech now days is so far ahead that even a E rated tire may have 5 plys or so.

And, every tire model is made differently. A MTR Kevlar tire in C rating may be just as heavy and rough as a Duratrac in E rating. You can't just go by the load rating alone.
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Old 08-12-2013, 09:36 AM   #8
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So what i'm gathering here is that the dealer who told me the E rating Duratrac would be "almost un-driveable" on my JK was incorrect?

I'm embarassed to admit his words have me afraid to pull the trigger on buying the E rated tires.
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Old 08-12-2013, 11:37 AM   #9
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Quote:
Originally Posted by Jbird26 View Post
So what i'm gathering here is that the dealer who told me the E rating Duratrac would be "almost un-driveable" on my JK was incorrect?

I'm embarassed to admit his words have me afraid to pull the trigger on buying the E rated tires.
Almost un-driveable is ridiculous. So many on here love the Duratracs. That's the best evidence to their quality and usefulness. If I used mine only in more severe conditions, I'd get them too. But I'm not going to get them just for looks or to present an image. My Jeep is used as a DD as well as for wheeling and winter mountain travel. I'm sure the Duratacs are an excellent choice and are probably second on my list.

E rated tires are heavier and stiffer by design, but within that story, there are many different designs. Some are very stiff and heavy with older technology, and some are lighter like the Duratracs seem to be. Two different models of E rated tires from Toyo can be way different in weight and stiffness. If you like the Duratracs, get them knowing they have been so good for so many others on Jeeps. That's the best recommendation, your friends here who actually have them.
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Old 08-12-2013, 12:00 PM   #10
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Quote:
Originally Posted by Raspy View Post
Some are very stiff and heavy with older technology, and some are lighter like the Duratracs seem to be. Two different models of E rated tires from Toyo can be way different in weight and stiffness. If you like the Duratracs, get them knowing they have been so good for so many others on Jeeps. That's the best recommendation, your friends here who actually have them.
Bingo. A tire that's 35 year old technology such as a BFG KO in a E rating will be like a sack of hammers. But a new tire like a Toyo ATII or Goodyear Duratrac in a E rating will drive great. Manufacturers are really focusing on shedding weight with new tire designs due to fuel prices and consumer demand for better fuel economy.

I personally wouldn't hesitate to run the E rated Duratrac. On a 2 door JK I'd run them at about 25 psi on the road and they'll wear great and ride really good.
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Old 08-12-2013, 12:34 PM   #11
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Raspy & WX, thanks for your input. Much appreciated.

My gut feeling was that hundreds of you on here running DT's couldn't be wrong, however it is always nice to have confirmation.

Thanks again.

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