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Old 04-06-2014, 09:53 PM   #1
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new tires?? cooper st maxx?

hey all, ive been looking around for new tires for my 14 2 door jk sport, in 285/75r16. ive looked at the cooper st maxx tires, but im worried that the load range E will give me a harsh ride. anyone have experience with this tire or load? also if i could get pics or personal thoughts on the following tires, that'd be great.

-cooper st maxx
-procomp xtreme at
-hankook dynapro atm rf10
-general grabber at2

if theres any other tire out there that anyone would like to suggest feel free to suggest them. duratracs and bfg at ko's are already ruled out tho, soo dont suggest either of those haha. i do 70% street 30% off road, rough trails but no big rocks/climbing/deep mudding and these tires are summer only. going on stock jk with aftermarket rims, 4.5 bs soo im sure the above size will fit

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Old 04-06-2014, 11:09 PM   #2
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I ran toyo open country at2's in 285/75-16 e rating on my 2013 4dr and they rode great. I liked them so much I ended up buying two more sets. Currently running them on my 14 rubicon 285/75-17

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Old 04-07-2014, 11:56 AM   #3
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I have the ST-Maxx and love them. Have also run STTs. Have the ProComps on my trailer.

Cooper makes the ProComps, btw.

Cooper Discoverer S/T Maxx - Expedition Portal

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Old 04-07-2014, 12:51 PM   #4
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I've read these are very heavy tires but good ones. Heaver than their specs indicate, but that comes with the very durable sidewall, etc.
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Old 04-07-2014, 07:38 PM   #5
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Originally Posted by Hilldweller View Post
I have the ST-Maxx and love them. Have also run STTs. Have the ProComps on my trailer.

Cooper makes the ProComps, btw.

Cooper Discoverer S/T Maxx - Expedition Portal
Are they loud? I heard they sang like a mud tire which was the main reason I didn't get them this go around
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Old 04-07-2014, 08:28 PM   #6
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I like my procomp xtreme mt. Not too loud and wear very well and awsome at off-road and snow
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Old 04-07-2014, 09:44 PM   #7
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I've been running the ST Maxx for all of last summer and like them. I just reinstalled them for this summer. They are pretty quiet for as aggressive as the tread is.

Cooper ST Maxx 275/70r18

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Old 04-08-2014, 08:22 AM   #8
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Are they loud? I heard they sang like a mud tire which was the main reason I didn't get them this go around
The only time I hear them over the general wind noise is if I'm running hot through some twisties; then they sound like typical velcro AT noise.
They might get louder as they wear but, with ~3000 miles they're as close to perfect DD tires as I've ever had.
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Old 04-08-2014, 09:16 AM   #9
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Heaver than their specs indicate, but that comes with the very durable sidewall, etc.
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Old 04-08-2014, 01:06 PM   #10
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I currently have the Nitto Trail Grappler tires that came on my Jeep (it is slightly used). But, I plan to get the Cooper ST Maxx tires when I need new ones. They are aggressive but not as much as MT tires.

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Old 04-08-2014, 01:35 PM   #11
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I currently have the Nitto Trail Grappler tires that came on my Jeep (it is slightly used). But, I plan to get the Cooper ST Maxx tires when I need new ones. They are aggressive but not as much as MT tires.

That's a pic of an ST not an ST-Maxx. The Maxx has bigger voids and deeper tread.
The ST is a good tire in itself...
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Old 04-08-2014, 03:05 PM   #12
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That's a pic of an ST not an ST-Maxx. The Maxx has bigger voids and deeper tread.
The ST is a good tire in itself...
That's the maxx. If you look close you can see MAXX written on the side.
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Old 04-08-2014, 03:28 PM   #13
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Wondering about the same thing on a 2 door except I'm looking at the STT's and was concerned about weight and ride quality. Would the stiffer tire get better mileage? But at the same time hurt my mpg?
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Old 04-08-2014, 07:21 PM   #14
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That's a pic of an ST not an ST-Maxx. The Maxx has bigger voids and deeper tread. The ST is a good tire in itself...
Actually, that IS the ST MAXX. The MAXX is in smaller text in black on the sidewall. The STT actually had larger voids than the MAXX. The MAXX is more of a hybrid of an AT and an MT tire. The tire with the larger voids, the STT is more of an MT tire. Check out the Cooper web site.

http://us.coopertire.com/Tires/Light-Truck.aspx
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Old 04-09-2014, 08:54 AM   #15
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Actually, that IS the ST MAXX. The MAXX is in smaller text in black on the sidewall. The STT actually had larger voids than the MAXX. The MAXX is more of a hybrid of an AT and an MT tire. The tire with the larger voids, the STT is more of an MT tire. Check out the Cooper web site.

Cooper Tire & Rubber Company - Light Truck
I thought it was an ST not STT ---- I've run the STTs on my last JK and lots of my Toyota friends have used the ST.
My Maxx looks different than that max....
No white letters on mine; didn't even know they offered white letters...





Here's my old Jeep with the STTs. I liked them alot and would've gotten them again if they came in the same size.
I like the 255/80-17 size better than 285. Fuel economy...

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Old 05-31-2014, 11:01 PM   #16
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Thinking of getting these and studding them for winter tires in 255/80/17. Does anyone know how much they weight?
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Old 06-01-2014, 01:00 PM   #17
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Thinking of getting these and studding them for winter tires in 255/80/17. Does anyone know how much they weight?
Email cooper. I asked about the 295/70R18 weight and they replied within a day.

I just ordered these in the above size from DTD (great guys to work with). I'll post up detailed pics and a review when I get them on. I'll be taking them to Ocracoke, NC for some surf fishing end of the month as well. Should be interesting to see how they do in sand.
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Old 06-01-2014, 02:02 PM   #18
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Old 06-01-2014, 02:09 PM   #19
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Just thumbed through the Summer Edition of Overland Journal and the did a review of several all-terrain tires and listed the Cooper Discoverer A/T3 as the best overall tire for on/off pavement adventures. Very solid testing too.
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Old 06-01-2014, 02:34 PM   #20
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I'm looking at the Cooper Discoverer AT3. If anyone is currently running them, please comment on your experience. Thanks. Not trying to ruin your thread.
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Old 06-01-2014, 03:10 PM   #21
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I'm looking at the Cooper Discoverer AT3. If anyone is currently running them, please comment on your experience. Thanks. Not trying to ruin your thread.
This is what I have on my Tacoma. They are wearing well (about 5k on them), are quiet and great in the snow. Can't really comment on offorad traction, they haven't been used on anything more demanding than fire roads. Very happy with them so far!
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Old 06-01-2014, 03:25 PM   #22
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This is what I have on my Tacoma. They are wearing well (about 5k on them), are quiet and great in the snow. Can't really comment on offorad traction, they haven't been used on anything more demanding than fire roads. Very happy with them so far!
Thanks TOK
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Old 06-01-2014, 03:29 PM   #23
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This is what I have on my Tacoma. They are wearing well (about 5k on them), are quiet and great in the snow. Can't really comment on offorad traction, they haven't been used on anything more demanding than fire roads. Very happy with them so far!
Are you running the LT or P?
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Old 06-01-2014, 04:17 PM   #24
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Thanks for the information. I have these tires on my work truck. It is a 2011 Dodge Power Wagon with 285 70 17's. The Cooper's have been great on that truck. I think they have about 30,000 on them and they pretty much look new. Miles are about 2/3 pavement and 1/3 gravel and rock. I thought the 255 80 17's would be a good tire to put studs on for our Jeep this winter.
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Old 06-01-2014, 04:27 PM   #25
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I took a quick look at tire and didn't see anything regarding LT or P rating on the sidewall. They are relatively small (265/75/15), so it wouldn't surprise me if they are P.
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Old 06-19-2014, 01:04 AM   #26
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So I am a died in the wool BFG guy. BUT my wife struck up a conversation with a guy in the bank parking lot. He was an active member of the "Jolly Jeepers", the oldest Jeep club in the state of Washington. He told my wife that almost all of their members run the Cooper STT.

For whatever thats worth!
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Old 06-19-2014, 10:19 AM   #27
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Update: had the 295/70R18's installed 2 weeks ago and already have 1K miles on them. Tire weight was dead on with what Cooper told me. These things are awesome on the highway. Road noise is very minimal; I would really say no louder than the stock Bridgestones. Wet traction is great and it hasn't once wanted to hydroplane (I've tried with the 6"+ of rain we've had since I got them). No additional bump-steer or unwanted driving characteristics. I lost about 1 MPG compared to the stock tires, which was less than expected. I'm going to Ocracoke tomorrow for surf fishing, so I'll report back on how they do in sand and with some pics.
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Old 06-19-2014, 12:09 PM   #28
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Update: Had my STT's for almost 2k miles. No complaints on the ride though they can tend to follow a good groove in the road.
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Old 06-19-2014, 12:10 PM   #29
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No off-road complaints but I've only been on light trails,nothing crazy. Can't wait to really test them out.
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Old 06-19-2014, 03:45 PM   #30
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I've a sst max copper! Very happy in off road mode!
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