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Unread 10-06-2012, 12:57 PM   #1
TxJeepers
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Who is running E rated tires on thier JK?

What tire, size and air pressure? Would you by E rated again? Why or why not?

I am looking at the Cooper S/T Maxx tires but they are only available with an E rating and I've read many mixed reviews on doing E's so I want to hear from some folks with first hand experience and if they would do it again or not.

http://us.coopertire.com/Tires/Light...-S-T-MAXX.aspx

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Unread 10-06-2012, 01:19 PM   #2
murfysflaw
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I haven't run Es on my JK, but I had a set on my WJ for quite some time. Honestly, I don't think I'd do it again... they were considerably heavier and the ride on the road was noticeably more harsh. That said, I'm not sure they were ever going to wear out... they were probably going to dry rot before that.
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Unread 10-06-2012, 02:02 PM   #3
bhoch
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I have Falken Wilepeaks on my JK. 305/70/16 size and they are E rated. For me, they are fine on the road. They are heavy, and if you don't put the TPMS sensors on (changing wheels for instance) you need to check air pressure more often.

I run 30 PSI in mine. I have talked to some that like them at 28 PSI. I am thinking about trying 32 PSI to see if it makes a difference next time I check them (this evening actually)

Would I purchase again.. yes, but I also would try a different tire (like Kevlar M/Ts) just to see differences. The Wildpeaks are an AT tire and not very aggressive but for my normal DD and the type of trail abuse I do, they are fine.

They are heavy (e rated tires, etc..)

As for compare.. I am not much help as I put them on will less then 500 miles on my JK, so I don't have any significant drive time on other tires. I am happy with the purchase of them.
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Unread 10-06-2012, 04:17 PM   #4
bill9274
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i have mastercraft c/t's 265-75-16" e rated they are are brother to the cooper. they are great tires but they are a little heavy and pretty stiff. i have to run 35 lb in mine to keep the light off thinking they would have a programer out. may have to go ahead and get a procal to lower pressure setting. i will probably get duratracs next go around. its real hard to find anyone that doesnt like them.

Bill
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Unread 10-06-2012, 04:25 PM   #5
SubAtomicGenius
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General Tire Grabber Red Letter, E-rated, heavy bastards, nothing to compare them to - but I find that they are quiet, road-worthy and great offroad. Very heavy is the only thing. Got no concerns about damaging them, that's for certain.
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Unread 10-06-2012, 05:43 PM   #6
wilywillie
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I ran the General Grabber AT2's for about a year, and they're E-rated.
HEAVY!!
If you want any kind of gas mileage or torque, the lower your "un-sprung" weight, the better. There's enough weight already that works against you if you add bumpers, winch, gear, tools, parts, fuel, people, etc. ("sprung weight")

Have you checked other SIZES of the same tire? There's usually a C-rated size that's not too far off. my $.02
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Unread 10-06-2012, 08:04 PM   #7
waterboarder
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I have BFGs A/T tires that are E-rated. I don't see any reason not to buy them again. I've had them on there for 5 years or so and they have plenty of tread on them. They seem to last a while.
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Unread 10-06-2012, 08:36 PM   #8
ncb
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Quote:
Originally Posted by SubAtomicGenius
General Tire Grabber Red Letter, E-rated, heavy bastards, nothing to compare them to - but I find that they are quiet, road-worthy and great offroad. Very heavy is the only thing. Got no concerns about damaging them, that's for certain.
I know you do some serious wheeling with your rig and I'm curious how E rated tires perform aired down. Are the side walls really stiff? I think I'm going to stick with D rated tires when I go with 35s soon.
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Unread 10-06-2012, 10:53 PM   #9
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I've run a set of ProComp Xtreme M/t E rated a set of D rated Duratracs and back to E rated Pitbull Rockers.
E rated are heavier and harder on gas. I run them at 26psi, rotate every 5,000klm (3000 mi) and check cross tread wear with a depth gauge. Love the ride of the D rated Duratracs and would imagine that the C rated would be even better ride, however, I like the toughness and durability of E rated tires.
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Unread 10-07-2012, 08:31 AM   #10
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I run Hankook Dynapro MTs--LT295/75x16s and they are "D" rated--

No reason for me to change--

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Unread 10-08-2012, 09:49 AM   #11
67alecto
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I have 305/70 Goodyear Duratracs that are E Rated. Quiet and smooth on the road and I love them on the trails. I've got around 5000 miles on them so far (rotated them after 4k).

I've been running 36 on the street, and 18 on the trail.

and oh yeah, they are HEAVY.
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Unread 10-08-2012, 10:01 AM   #12
Wavedatya
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I have Goodyear wrangler territory 275/65/18 and they are E load. PSI is high and I think it's around 80. Some crazy number.

They are not too bad. Road noise is noticeable but not annoying. MPG took a hit. And it's a little stiffer ride. I feel more bumps. But it's not like riding in a car with low profile or anything like that.

Over big stuff they feel a little more spongy than little stuff.

I would recommend them.
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Unread 10-08-2012, 10:15 AM   #13
Mol
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I run 10 ply (E) tires on my 2500 suburban (tow rig)...I'd run Cs on the JK if I could.
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Unread 10-09-2012, 10:10 AM   #14
Spike6901
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I have e rated BFG AT's and they are pretty heavy duty and a little rough. I run about 30 psi in them and air down to 16-18 offroad.

I was wondering if they were a bit too much and then I cut the side walls on rocks and they are still going strong. So, the extra layers are not a bad thing when you are in the back country.
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Unread 10-09-2012, 10:15 AM   #15
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I ran Toyo MT Open Country for 50K miles and they were "E" rated. Heavy tires. Great on the highway. Easy to balance. Not great for my Jeep offroad. Even aired down they didn't give me the footprint I like on sand. I now run GoodYear kevlar "C" rated tires. More sound on the highway. But great every other way.
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