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Old 02-20-2012, 05:09 PM   #1
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DuraTrac "C" or "E"?

The Dura Trac in 245/75Rx16 is offered in load range C and E.

I have not been able to determine the difference in side wall construction.

The Load Range C only weighs 40 pounds and the E go 45 pounds.

Use will be mud, rocks, snow, ice, highway; hell it's a Jeep!

Will the load range C be enough tire?

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Old 02-20-2012, 05:21 PM   #2
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C range is more than enough, if you go to E range the ride will be rough. Load range E are rated at 80psi, waaaay too much for a Jeep.

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Old 02-20-2012, 05:53 PM   #3
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As said above, C range is enough... That being said: I currently have load range E Fierce Attitude on my completely stock 06 wrangler. (been a while since i've looked at the size, but it looks like we have the same size. 31"x10.5"x16") I honestly can't tell a difference in the ride, and its all stock. I didn't have a choice because i really liked the tires but they didn't come in any range other than an E. I'm running mine around 32 psi (suggested by Jeep). Since you have a choice, I'd go with C. But know that I, IN MY OWN OPINION, don't think E is as terrible as some people say.
Happy buying!
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Old 02-20-2012, 07:02 PM   #4
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+1 on the load range E. I run Kumho KL78s in E, and despite all the horror stories I heard from armchair quarterbacks, the ride is the same as my previous BFG ATs in load range C. Just because they're "rated" to 80psi does not mean you must run them that high - I run mine at 40, and 25 when it snows.

They also air down fine. I dropped mine to 15psi when I tried ice racing, and ended up with 3rd place in the street tire class.

There are plenty of reasons for *not* choosing E - but ride quality and inflation pressure aren't really factors in my first-hand experience.
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Old 02-20-2012, 11:28 PM   #5
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I run "E" on my 8500 lbs. F250 and "C" on my tj.
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Old 02-20-2012, 11:43 PM   #6
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Go for the C load rating which is appropriate for a vehicle with the weight of a Wrangler. The E is much stiffer than would be optimal for the Wrangler which means reduced traction since a stiffer tire can't conform to uneven terrain as easily. Not to mention the E rated tire would ride much more stiffly.
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Old 02-20-2012, 11:55 PM   #7
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Should also add your not gonna gain a better sidewall on the E vs C in the case of the duratrac.. In both cases they are gonna have a 2 ply sidewall that hates rocks and other obsticles that like to eat sidewalls..
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Old 02-21-2012, 01:11 AM   #8
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Should also add your not gonna gain a better sidewall on the E vs C in the case of the duratrac.. In both cases they are gonna have a 2 ply sidewall that hates rocks and other obsticles that like to eat sidewalls..
The letter rating is the quality of the side wall. E rated side wall is stronger than a C or D rated side wall. I never heard of 2ply tires for anything but a trailer. C rating should be 6ply side wall, D=8ply, E=10ply. Thats what all the tires I have bought have.
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Old 02-21-2012, 09:26 AM   #9
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Ply rating is not the number of layers in the tire sidewall construction. And, for all the MT/R lovers, Kevlar is not stronger than steel in cross section, it is however much stronger than steel in equivalent weight, so theoretically, you can use more, get stronger, and weigh less if you had unlimited funds. Kevlar is 5 times stronger than ASTM A-36 structural steel and 3 time stronger than 410 stainless on an equal weight basis. On a cost basis, Kevlar is 14 times more at the raw material level. So, GY in it's infinite business wisdom knows it only has to use enough Kevlar to, number one, brag about it, and number 2, use just enough to be better than the Stainless or nylon belts used by everyone else. Their cost goes up 7% to 12% in doing so, but there gross profits go up 30% and they take additional market share. It is just enough that it shows favorable results in sidewall strength.

Brilliant engineering AND marketing by GY! Also a great desired outcome for the end user....that is stronger, stiffer, rock resilient sidewalls!! Since everything in life is a compromise, what is it that you give up for all the features, functions, and benefits??? The ride quality would be a good place to start.....then zero in on traction due to less bearing surface at any given instance.....

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Old 02-21-2012, 10:04 AM   #10
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Quote:
Originally Posted by AC0QR
+1 on the load range E. I run Kumho KL78s in E, and despite all the horror stories I heard from armchair quarterbacks, the ride is the same as my previous BFG ATs in load range C. Just because they're "rated" to 80psi does not mean you must run them that high - I run mine at 40, and 25 when it snows.

They also air down fine. I dropped mine to 15psi when I tried ice racing, and ended up with 3rd place in the street tire class.

There are plenty of reasons for *not* choosing E - but ride quality and inflation pressure aren't really factors in my first-hand experience.
40 psi is still wwwaaaayyyyy to much. And next time your ice racing don't drop the psi down.
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Old 02-21-2012, 10:28 AM   #11
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The letter rating is the quality of the sidewall.
The load rating of a tire indicates the weight of the vehicle it was designed to support. Nothing more. It is not an indication of its quality. An E load rated tire is not a better quality tire than a C load rated tire is.
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Old 02-21-2012, 10:34 AM   #12
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Quote:
Originally Posted by Jerry Bransford
The load rating of a tire indicates the weight of the vehicle it was designed to support. Nothing more. It is not an indication of its quality. An E load rated tire is not a better quality tire than a C load rated tire is.
Holy triple post batman.

And the duratrac only has a 2 ply sidewall. The other 4,6, or 8 would be the ply on the tread portion of the tire.
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Old 02-21-2012, 10:54 AM   #13
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Today's load range/ply ratings do not count the actual number of body ply layers used to make up the tire's internal structure, but indicate an equivalent strength compared to early bias ply tires. Most radial passenger tires have one or two body plies, and light truck tires, even those with heavy-duty ratings (10-, 12- or 14-ply rated), actually have only two or three fabric plies, or one steel body ply.

Folks, the MT/R is only a 3 ply tire. It has a 10 ply rating.

The Duratrac is a 2 ply tire with either a 6 ply rating, or a 10 ply rating depending on if it is load range C or E respectively.....
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Old 02-21-2012, 11:03 AM   #14
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Goodyear model name meaning "Maximum Traction/Reinforced"
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Old 02-21-2012, 11:05 AM   #15
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Or how about "Medium Radial Truck"
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Old 02-21-2012, 11:07 AM   #16
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Or here is another one "Multi Radius Tread"
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Old 02-21-2012, 11:10 AM   #17
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Buy two sets and compare C to E on your Jeep.

Air each set down to 10psi and go play off road, or in deep snow.

Air them back up to proper street pressure and drive around. Make sure you hit some crappy roads with filled potholes and bumps in it.

Then, decide which one you like better for your light Jeep.

If you don't want to go through all that, just buy the load range C for it.

As mentioned above, I have load range E tires on my F-250, C on the Jeep.
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Old 02-21-2012, 11:40 AM   #18
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Zinger, you should stick to your guns, you were right the first time !!

TJDave, you couldn't be more deadballs accurate....I have done that exact exercise, only throw ice in there also, and I will stick with C on the TJ, E on the Duramax !! That's why my MT/R's "E" are listed in the classifieds for sale with only 4k miles on them this very moment.......

Correction...they sold this morning to someone that just had to have them for their TJ .... even after I explained to them why I spent $1,600.00 to change wheels and buy new DT's, "C"s of coarse !!

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