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Old 02-07-2013, 09:50 AM
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duratracs - 10-ply vs 6-ply

I've read that the 6-ply Duratracs corner soft and tend to wander at highway speeds. I've read that the 10-ply Duratracs are stiff and want to keep straight but they're heavier and may impact MPG by 1-1.5mpg.

Coming from a Corvette I'm wondering if I'm going to prefer the handling of 10-ply? What about 8-ply?
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Old 02-07-2013, 10:54 AM   #2
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I'm running 265/70-17 Duratracs (Load "C") on a stock Sport JK 2dr and, compared to stock SRA's it came with (255/75-17), it doesn't wander any more or any less than the stock skins. I do feel some flex/give in the turns when running 33psi, but noting unstable feeling, and does firm up a lot more running 36psi. It's so comfortable and the handling/economy is good at 33psi that I won't change it.

On the JK my Load-C Duratracs stick almost like Blizzaks on a BMW in the wet/snow. Not sure if Load-D or Load-E rubber compound is the same considering its heavy-load design spec. I've "heard" the Load-E Duratracs don't ride too rough and do have stiffer sidewalls for better tracking, but the ride depends on your roads too. Chicagoland and surrounding rural burbs roadways suck big time and my Load-Cs soak them up well.

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Old 02-07-2013, 10:54 AM   #3
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10 ply is for 3/4 and 1 ton trucks not for a JK. same with 8 ply stay away.
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Old 02-07-2013, 11:08 AM   #4
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Originally Posted by 285 HP View Post
10 ply is for 3/4 and 1 ton trucks not for a JK. same with 8 ply stay away.
Agreed with the caveat that E load range tires are more puncture-resistant than C by a good bit. Probably not an issue unless (A) you are really hard on your Jeep or (B) you keep your C rated tires too long. Tires take a beating internally over time.
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Old 02-07-2013, 11:11 AM   #5
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Originally Posted by 285 HP View Post
10 ply is for 3/4 and 1 ton trucks not for a JK. same with 8 ply stay away.
Is this from personal experience or hearsay? I was told over and over by multiple tire shops, DON'T PUT A 10 PLY TIRE ON YOUR FJ, TACOMA, WRANGLER........because it's made only for big heavy 3/4 and 1 ton trucks. They always said "it's gonna ruin your ride." "It's gonna make your ride too stiff, etc." I always listened to them and was always disappointed later in my decision to stay with stock tire size in either an LT "C-load" tire or a P-metric tire. Well I finally got the balls to ignore their advice and go for it on my new JKU. I just put on the new Toyo Open Country AT/IIs in LT 295/75/16, load range "E." I am so happy that I finally did what I really wanted and ignored the advice of the sales people at Goodyear and Tire Kingdom, etc. My ride with the new tires is outstanding! I feel like the platform is more stable and I do not notice any harshness or excessive road noise with these new very aggressive all-terrain tires from Toyo.
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Old 02-07-2013, 11:24 AM   #6
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Tire feel is subjective. I cannot being in Jeeps with E rated tires. I stick with C though I'd probably consider a D rated DuraTrac. The issue is that sidewall is only 2-ply for all ratings, right? With a slightly thicker sidewall, puncture resistance off road and cornering on pavement would be improved. I do not like my stock KMs roads or packed snow. Too many hills and without sipes, the braking blows.
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Old 02-07-2013, 11:42 AM   #7
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I had a E class for my last tire and really it didn't ride that bad but the C class Duratrac definitely has a softer feel but it also compresses more on the road. Even though the C class suppose to be a little bigger tire then my older E class I had, I have to set the computer 1/2" less on it then I did the E class.

One of my main reason, I am consider moving up to 16's is the size I want (35's) is a D class in 16 while C class in 15's. Too many balancing issues in the soft C class larger size tires on smaller wheels IMO. But saying that, it is a whole lot more expensive.
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Old 02-07-2013, 11:52 AM   #8
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The #1 reason I avoid "E" rated tires at all cost is because gasoline is $3.59 a gallon and it's about to go higher.

The #2 reason is because I enjoy the acceleration and being able to brake faster if an emergency stop is required.

Otherwise, I wouldn't care. But weight kills.
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My favorite quote from the press release.. sad but true: "Chrysler claims its products, especially the Jeeps, can handle all sorts of terrible conditions, churning through muddy swamps, climbing mountains, and crossing rivers. Turns out they cannot even handle a car wash."
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Old 02-07-2013, 12:20 PM   #9
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Tire weight certainly affects MPG but I think you will notice E rated tires affect city driving MPG far more than highway MPG.

I dunno, I have E rated AT KO on my JK and I hardly notice them. Ran them on a half ton truck before and no issues there either. I guess everyone is different.
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Old 02-07-2013, 02:29 PM   #10
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I would get the e-rated Duratracs for the additional sidewall protection. I have ran 3 sets of them on my 4Runner and Tacoma. The Duratracs have a reputation for having "soft" sidewalls. I have never had any problem with any of my Duratracs and am off-road constantly, they air down fine. I have not noticed any difference in fuel mileage and I keep a close eye on mileage in all my vehicles.

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