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Modified JK Tech Tech related bulletin board forum regarding subjects such as suspension, tires & wheels, steering, bumpers, skid plates, drive train, cages, on-board air and other useful modifications that will help improve the performance and protection of your Jeep JK Wrangler (Rubicon, Sahara, Unlimited and X) on the trail.

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All terrain vs mud terrain

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Old Apr 22, 2013 | 08:41 AM
  #21  
Paul R's Avatar
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MT vs. AT will make no difference as far as what your gearing will do for/to you. If you go up much in tire size you will lose power with the bigger tire as the RPMs will be lower at the same speed. I have 4.10's in mine and with 34" I am right on the edge. I can hold speed and go up slight inclines with no problem, but will have to downshift if I hit any type of hill at highway speeds, even steep overpasses. Of course I have the older engine being an '11...maybe the new pentastar would make a difference.

As far as MT vs. AT for driveability and use...I have an '11 Rubicon that came with 32" MTs stock. I drive onroad 95% of the time (My Jeep is my daily driver) but wanted bigger tires. I went with 34" BFG ATs. The difference in on-road noise and smoothness was major. The ATs also have better traction onroad due to more rubber and fewer voids on the ground. I am very happy. They work very well offroad here in Florida where I don't have to contend with extreme rock climbing or major clay mud. In the sand and on trails, they are the perfect tire.

I had 35" Toyo MTs on a previous Jeep ('08 Sahara) so I can speak to them also. The Toyo's are excellent mud tires and can take real abuse. They are probably the best mud tire I have ever had. But they are HEAVY. You will pay the price for them by losing onroad acceleration and power because of having to spin all that weight.

In summary, pick a tire that matches what you want to use it for, not for looks. We didn't buy the Jeeps because they are pretty vehicles...we bought them for their capabilities. Buy your tires based upon what you will be using them for and you will find yourself much happier with the Jeep overall.

-Paul
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Old Apr 22, 2013 | 04:57 PM
  #22  
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Originally Posted by Paul R
MT vs. AT will make no difference as far as what your gearing will do for/to you. If you go up much in tire size you will lose power with the bigger tire as the RPMs will be lower at the same speed. I have 4.10's in mine and with 34" I am right on the edge. I can hold speed and go up slight inclines with no problem, but will have to downshift if I hit any type of hill at highway speeds, even steep overpasses. Of course I have the older engine being an '11...maybe the new pentastar would make a difference.

As far as MT vs. AT for driveability and use...I have an '11 Rubicon that came with 32" MTs stock. I drive onroad 95% of the time (My Jeep is my daily driver) but wanted bigger tires. I went with 34" BFG ATs. The difference in on-road noise and smoothness was major. The ATs also have better traction onroad due to more rubber and fewer voids on the ground. I am very happy. They work very well offroad here in Florida where I don't have to contend with extreme rock climbing or major clay mud. In the sand and on trails, they are the perfect tire.

I had 35" Toyo MTs on a previous Jeep ('08 Sahara) so I can speak to them also. The Toyo's are excellent mud tires and can take real abuse. They are probably the best mud tire I have ever had. But they are HEAVY. You will pay the price for them by losing onroad acceleration and power because of having to spin all that weight.

In summary, pick a tire that matches what you want to use it for, not for looks. We didn't buy the Jeeps because they are pretty vehicles...we bought them for their capabilities. Buy your tires based upon what you will be using them for and you will find yourself much happier with the Jeep overall.

-Paul
You hit the nail right on the head. I absolutely love the look of mud tires, but I know the all terrains are a more practical tire. Do you think there will be a big difference between the 285/70's and 35's when it comes to mpg's and the quality of the ride? Do you think the pick up will be much better with the 285/70's considering I have 3.21 gears?
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Old Apr 22, 2013 | 05:28 PM
  #23  
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Go with MTs or you will be sad. Leon Sandcastle said so.....
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Old Apr 22, 2013 | 05:54 PM
  #24  
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I have 35" m/t and love them. The read had lasted me a while. You'll be disappointed if you go with all terrains
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Old Apr 23, 2013 | 01:49 AM
  #25  
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I've run BFG ATs and never been sorry ? And wheel lots mud too but I can drive I guess ? It's called a gas pedal!
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Old Apr 23, 2013 | 02:56 AM
  #26  
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255/80 KM2s, 4.88s, 0w20, 16.5 MPG city
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Old Apr 23, 2013 | 04:24 AM
  #27  
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Originally Posted by JK Inspired
255/80 KM2s, 4.88s, 0w20, 16.5 MPG city
0w20......? Why?
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Old Apr 23, 2013 | 06:19 AM
  #28  
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You might want to consider the GY Duratracs as well. They look a little more aggressive than the BFG, but are light weight and handle like an AT on the road. Everyone I have spoken to that have them swear by them.

I run Falken Wild Peaks AT and havent been disappointed. I don't run in much mud though... mud is the devil.
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Old Apr 23, 2013 | 06:49 AM
  #29  
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Real jeeps roll on MTs

Mall crawlers = ATs
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Old Apr 23, 2013 | 11:25 AM
  #30  
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Originally Posted by JKingAround
Real jeeps roll on MTs

Mall crawlers = ATs
Not to get in a spitting contest or anything, but even people who wheel on the weekends spend 90% of their time on the road. Especially if its a daily driver. Best case is that we all would have enough money to have a set of MTs for the weekends and AT for the back and forth to work. Anyone who's jeep is a DD would benefit from buying a tire that will fit their type of driving on and off road.

I don't think anyone will disagree that MTs look better and perform better off road. But, there are many of us who don't want the negative side effects of MTs when we are on the road so much.

That being said, I'd rather have MTs, but can't really justify it.
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