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Old 04-11-2011, 09:15 PM   #1
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JKU using a Load E tire

I have searched several forums and it seems most people had rather have the load C tires on their Wranglers. The JKU has the aftermarket wheels and they are 17's so I am stuck with them. The 285/70/17 Duratrac has an E rating. I was wondering if the extra weight of a JKU made any difference as to how this tire rode. I really like the Duratrac but the E has me a little scared of the ride.

Are any of you running the E's on your JKU's and if so what kind of tires are they.

What tire is close to the Duratrac in a 17 with a C rating.

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Old 04-11-2011, 09:34 PM   #2
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My Hankooks are load range "D" and any load range "E" of a similar tread will ride a tiny bit rougher, but

You can temper that with air pressure-another disadvantage to load range "E" is the stiffer sidewall makes it more subject to bead loss when "AIRING DOWN"-

With a JKU, try to stay in the "D" load range unless all you need is an A/T tread, then gofor the "E" !!

Good luck

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Old 04-11-2011, 09:43 PM   #3
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Nitto Trail Grapplers MTs are available in stock size 32" 255/75/17 and they are a load range C. They have them in 285 too but they are a load range of D or E. Can't remember.
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Old 04-11-2011, 09:50 PM   #4
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Quote:
Originally Posted by JIMBOX View Post
My Hankooks are load range "D" and any load range "E" of a similar tread will ride a tiny bit rougher, but

You can temper that with air pressure-another disadvantage to load range "E" is the stiffer sidewall makes it more subject to bead loss when "AIRING DOWN"-

With a JKU, try to stay in the "D" load range unless all you need is an A/T tread, then gofor the "E" !!

Good luck

JIMBO


Now thats the kind of info I been looking for. I posted in another thread about why not a higher load range than recommended . I do air down. I was wondering if the higher load range on a lighter vehicle would make the tire last longer, like I said I'm a parts guy and do not know tires.
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Old 04-11-2011, 10:02 PM   #5
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Quote:
Originally Posted by JIMBOX View Post
My Hankooks are load range "D" and any load range "E" of a similar tread will ride a tiny bit rougher, but

You can temper that with air pressure-another disadvantage to load range "E" is the stiffer sidewall makes it more subject to bead loss when "AIRING DOWN"-

With a JKU, try to stay in the "D" load range unless all you need is an A/T tread, then gofor the "E" !!

Good luck

JIMBO
Thanks again. You stated your Jeep wasn't a daily driver but how do those tires ride on the highway??

Quote:
Originally Posted by ESP123 View Post
Nitto Trail Grapplers MTs are available in stock size 32" 255/75/17 and they are a load range C. They have them in 285 too but they are a load range of D or E. Can't remember.
Those tires look good too. I am looking at them to see what load they are.

I can run the 265/70/17 Duratrac in a load C. I have been considering a BB and don't know how this size will look with a small lift.
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1997 TJ Zone 4.25 combo, 33x12.50x15 BFG T/A-KO
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Old 04-11-2011, 10:07 PM   #6
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Heh Heh, airing down is purely subjective-


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Originally Posted by John412 View Post
Now thats the kind of info I been looking for. I posted in another thread about why not a higher load range than recommended . I do air down. I was wondering if the higher load range on a lighter vehicle would make the tire last longer, like I said I'm a parts guy and do not know tires.
Some people think that you shouild airdown as soon as you leave asphalt-Heh Heh

90% of airdown time is for COMFORT, not traction and load range "E" at 12/14psi no danger, but load range "D" is usually good down to 6/8 psi(careful driving) and load range "C", even without beadlocks can get to 3/5 psi (careful driving) and you MUST know how to rebead !!

Again if all you want is tire mileage-get range "E" a/t tread-

Purely subjective my man !!

Good luck !

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Old 04-11-2011, 10:17 PM   #7
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My Hankooks are load range "D" and super balance/not to noisy and are tops from what I've used-


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Originally Posted by terminator012 View Post
Thanks again. You stated your Jeep wasn't a daily driver but how do those tires ride on the highway??



Those tires look good too. I am looking at them to see what load they are.

I can run the 265/70/17 Duratrac in a load C. I have been considering a BB and don't know how this size will look with a small lift.
If you get 265/70x17, remember they're only gonna be 30"++ installed, so be careful with any lift -

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Old 04-11-2011, 10:17 PM   #8
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Originally Posted by JIMBOX View Post
Heh Heh, airing down is purely subjective-




Some people think that you shouild airdown as soon as you leave asphalt-Heh Heh

90% of airdown time is for COMFORT, not traction and load range "E" at 12/14psi no danger, but load range "D" is usually good down to 6/8 psi(careful driving) and load range "C", even without beadlocks can get to 3/5 psi (careful driving) and you MUST know how to rebead !!

Again if all you want is tire mileage-get range "E" a/t tread-

Purely subjective my man !!

Good luck !

JIMBO
I usually air down on the trail if it's going to be an all dayer. The lowest I have ever went is around 12-15. So you are saying a load E can handle that??

Are you calling the Duratrac an a/t tread??

Am I confused?? Is a 285 a 33" and a 305 a 35"
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Old 04-12-2011, 05:57 AM   #9
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285 or 305.... That is the width of the tire. The next number (usually 70 or 75) is the % of with that is the sidewall. So a 285/75 can be a bigger tire then a 295/65... Get it (ps, that is just an example, I have never seen a 295/65).

I have a set of 285/75-16 Goodyear MT/R's with Kevlar and really like how they handle offroad. They are rated class E. I guess they are slightly rougher on the road then a class D, but I can barely tell. I think the stiffness of your springs will have a much greater impact on your ride then the class range of your tire. I do a lot of muddin'/sand/snow driving and not a lot of rocks (not many rock gardens here in NJ), so I have never aired down below 18psi or so. Because of that, I don't really think class E vs class D makes a heck of a lot of difference for the type of driving I usually do. It depends on how you plan to use your Jeep.

Good luck! You can go crazy deciding on wheels/tires..... I know I did.
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Old 04-12-2011, 06:30 AM   #10
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Quote:
Originally Posted by Gobigorgohome View Post
285 or 305.... That is the width of the tire. The next number (usually 70 or 75) is the % of with that is the sidewall. So a 285/75 can be a bigger tire then a 295/65...


I knew that was the width. My bad I guess I had brain freeze. What was the actual height of your tire??
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1997 TJ Zone 4.25 combo, 33x12.50x15 BFG T/A-KO
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Old 04-12-2011, 06:56 AM   #11
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I have 31" Bridgestone Duler AT Revos with E ratings on my TJ. I don't mind the ride at all I keep em aired up to 30psi (for highway driving and milage) These things wear like iron and I think its one of the best investments I ever made.
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Old 04-12-2011, 07:35 AM   #12
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Gobig is right, you'll go crazy trying to figure out what tires you want=


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Originally Posted by Gobigorgohome View Post
285 or 305.... That is the width of the tire. The next number (usually 70 or 75) is the % of with that is the sidewall. So a 285/75 can be a bigger tire then a 295/65... Get it (ps, that is just an example, I have never seen a 295/65).

I have a set of 285/75-16 Goodyear MT/R's with Kevlar and really like how they handle offroad. They are rated class E. I guess they are slightly rougher on the road then a class D, but I can barely tell. I think the stiffness of your springs will have a much greater impact on your ride then the class range of your tire. I do a lot of muddin'/sand/snow driving and not a lot of rocks (not many rock gardens here in NJ), so I have never aired down below 18psi or so. Because of that, I don't really think class E vs class D makes a heck of a lot of difference for the type of driving I usually do. It depends on how you plan to use your Jeep.

Good luck! You can go crazy deciding on wheels/tires..... I know I did.
Just remember that every tire, no matter who the mfg is, advertizes their tire HEIGHT in the tires UNMOUNTED condition-ie XXX 33/70x17 in wormeater tread, now mounted on your jeep it's actually 32" at 32psi and if you airdown to 12 psi, it's 29" and guess how much diff clearance you've lost ??

Now sand/snow, sometimes you'll need to airdown as low as you can, but that ain't normal

keep an open mind--KEVLAR doesn't do anything for your driving ability in anything--it's tread design/airpressure/sidewall flex and driving ability !!

It's a jungle out there

JIMBO
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Old 04-12-2011, 11:12 AM   #13
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I knew that was the width. My bad I guess I had brain freeze. What was the actual height of your tire??

Stated height is 33.1in. I actually haven't gone out with a tape measure to see, but what JIMBOX is alluding to is definately accurate. Even with 35psi (just for highway driving, she is my DD also), you can see a indention on the tire where it hits the road surface. I would guess at 35 psi I am sitting at about 32.5 or so. At 18 psi, probably another 1-1.5in lower.
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Old 04-12-2011, 11:37 AM   #14
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I do drive in sandy conditions often so I air down on a regular basis when I know I'll encounter tghese conditions. Got to watch the bulge you get from your side wall at full lock, Ive seen a tire shred from this before. Width seems to be more crucial than height when dealing with a back space issue. The 285/70/17 aired down on stock rims gets you in that rub zone. I wish they made a 34-10.5/17 that would be perfect for me.

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