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Old 03-08-2012, 10:25 AM   #1
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Goodyear MT/R Kelvar vs Cooper STT

I am going crazy trying to decide between these two tires. I need a tire to drive to the trails about three to five hours on the highway, but does well on New England trails. Based on tons of internet research, I have narrowed it down to GY MT/R and Copper STT.
My concern is performance on rocks and mud. Only by what I’ve read, the MT/Rs are great on rocks, but mud reviews are mixed. Some say they are either, great, okay, or terrible. Coppers get very good reviews in mud, good or okay on rocks, but there have been comments regarding side wall strength.

My fear is having a tire pack with mud and being “that guy” always stuck, or in the rocks blowing out the sidewalls.

Are either my concerns serious enough to rule out either tire ?
Both are at a similar price point, in my budget, and tread life is good for either.
Both are similar to actual height, but the STT are narrower.

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Old 03-08-2012, 10:47 AM   #2
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I think both your choices are good. I can't actually comment on performance cause I run BFG's now, but I'll be looking for new tires this summer as well and have decided on the MTR's for the best DD performance. Good, strong 3 ply sidewall w/kevlar and the tread pattern seems like it would be kind on the pavement. The STT is an awesome looking tire though, but not sure if the sidewall is 2 or 3 ply. I was also looking at the Kuhmo Mud Venture. Good reviews on it as well.

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Old 03-08-2012, 01:28 PM   #3
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I've got the MT/Rs on my jeep and I love them they've lasted biweekly adventures and daily driven.
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Old 03-08-2012, 10:07 PM   #4
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Quote:
Originally Posted by Jeep_Gypsy View Post
I've got the MT/Rs on my jeep and I love them they've lasted biweekly adventures and daily driven.
How do they perform in the mud for you ?
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2003 TJ Rubicon Flame red, 5 speed, 4.88 gears, Detriot locker in rear, Superior axle shafts, RE 3.5" SL, 1" BL, , 1" ML, 35x12.50x15 GY MT/Rs, Cobra 75 CB, Kilby gas tank skid, Poisson Spyder Rocker Knockers, GP Fab rear bumper, Warn 8274
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Old 03-08-2012, 10:23 PM   #5
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I wanted the mtr's but they are sold out in 35x12.5x17 for over 2 months now. I had km2s in 33s on my last jeep and they worked fine, but my concern was the lack of siping. I went with 35 MTZs but haven't installed them yet.

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Old 03-08-2012, 10:45 PM   #6
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Quote:
Originally Posted by bobthetj03 View Post
I think both your choices are good. I can't actually comment on performance cause I run BFG's now, but I'll be looking for new tires this summer as well and have decided on the MTR's for the best DD performance. Good, strong 3 ply sidewall w/kevlar and the tread pattern seems like it would be kind on the pavement. The STT is an awesome looking tire though, but not sure if the sidewall is 2 or 3 ply. I was also looking at the Kuhmo Mud Venture. Good reviews on it as well.

Cooper STT's are three ply sidewall. 4 wheel mag rated them very highly.
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Old 03-08-2012, 11:41 PM   #7
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those Coops look almost exactly like pro comp MTs.
Pro comps are LOUD. Good tires, but beasts on the highway. Altho I see you're running 4.88s so I doubt you could hear the tire hum over the screaming RPMs you must be running on the pavement.

personally I like the MTRs and generally prefer a wider tire- width=more contact, therefore more traction.
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Old 03-09-2012, 12:01 AM   #8
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I ran Cooper SSTs and when I wore them out I replaced them with MTRs. Both are 33/12.50/15. The Coopers served me well in all types of terrain and had minimal scuffing after a tough life in the rocks. That being said, they were noisy. Really noisy! The more they wore down the worse it got. That is the reason that I switched to the MTRs. After running the MTRs for over 20k miles I wouldn't trade them for any other tire. Relatively quiet, smooth ride, great in all types of terrain. If you like to "go topless" think twice about the Coopers unless you don't mind ear plugs.
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Old 03-09-2012, 08:23 AM   #9
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MT/R

Awesome tires.
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Old 03-09-2012, 09:31 PM   #10
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[QUOTE=BigEZ;2120049] Altho I see you're running 4.88s so I doubt you could hear the tire hum over the screaming RPMs you must be running on the pavement.
QUOTE]

Yeah,, that's one reason I want to go to 35s. It should drop highway rpm by 200. Original owmer installed a Banks exhaust, which is loud.

I decided on MT/Rs. They are available locally.

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