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Old 08-30-2013, 06:36 PM   #1
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Arrow Two kinds of tires on the same Jeep

Alright, so I'm a little new to having a Jeep. I've had a motorcycle until a geezer ran me off the road it two months ago (it was messy). So I got my TJ about 4 weeks ago and it has Goodyear Authorities on it. The back tires are so bald that even a rotation won't help my condition. My dad recommended getting two new tires, putting them on front, then taking the fronts that are on their now and throwing them in the back. My concern is, I've heard terrible things about these Authorities. At wal-mart they are the same price as the Duratracs. I dont have enough money to get a full set, only two. So, my question is, how would it fair having Duratracs on front and the Authorities on the back until I can get enough money together to put Duratracs on the back? Besides the sexiness of the Jeep being compromised. Could the difference in tread design do any damage, or wear out the new Duratracs extremely fast?

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Old 08-30-2013, 06:52 PM   #2
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I found a set of barely used authorities (with stock base rims) on craigslist last week and did LOTS of research on them. There were lots of decent to good comments on them. I looked at review sites and lots of different 4x4 forums...not just jeep. I saw complaints from several dodge 4x4 3/4 ton owners. I bought them for my sons jeep for $200 less than what I would have paid new. Put about 200 miles on them so far and have had no problems. No real off road eval yet.

Am I understanding your statement that the walmart near you is selling the Duratracs at the exact same price as the Authorities? Would you post the size and price? Walmart is either trying to overcharge for the authorities or undercharge for the Duratracs

Goodyear Wrangler Authority Tire 31X10.50R15LT - Walmart.com $158 ea

Goodyear Wrangler DuraTrac Tire 31X10.50R15LT, Self-Cleaning Tire, Wrangler DuraTrac Tire, Light Truck Tire
$212 ea

It will not cause you any major issues to mix match the tires. It would be better to keep the same type of tires on the front. different types on the left and right on front can be a little scary during emergency braking when they both have a different grip depending on the surface

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Old 08-31-2013, 04:07 AM   #3
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I'm sorry, I should have clarified where I saw the Duratracs. The Authorities at Wal-mart were around $140 here. Here's a link to a site that has Duratracs for $155
http://tinyurl.com/lfz2zhd
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Old 08-31-2013, 05:02 AM   #4
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i was told that on 4wd all four tires have to match i dont know if treadwear counts though or if they should just all be the same size
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Old 08-31-2013, 06:24 AM   #5
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i was told that on 4wd all four tires have to match i dont know if treadwear counts though or if they should just all be the same size
Not just on 4WD vehicles, on any vehicle they should match. Diff tread designs can lead to loss of traction on wet surfaces.
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Old 08-31-2013, 07:40 AM   #6
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I have Authorities on my Jeep. No complaints from me. I have 23K on them and lots of tread left.
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Old 08-31-2013, 07:46 AM   #7
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I agree with having all tires the same tread pattern for stability on wet roads.
You could always move some of those balloons to the rear so those tires don't wear out as fast!
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Old 08-31-2013, 10:06 AM   #8
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Nice price from Tire rack. The shipping cost (to my zip code) is $116.

If the tires are all the same size, you will not have an issue if they are different...unless you have 2 different one on the front. Brake traction / drive train grip are important factors.
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Old 08-31-2013, 11:04 AM   #9
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Different tyres front and rear wont be great but I don't see why it would cause major problems. Put the new tyres on the front and you'll be fine as long as you remember you've got less grip at the back when you're getting overexcited with the loud pedal!
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Old 08-31-2013, 11:07 AM   #10
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Not just on 4WD vehicles, on any vehicle they should match. Diff tread designs can lead to loss of traction on wet surfaces.
Tread design and brand, yes. Size no. There are a number of vehicles that come from the factory with different sized front and rear. Usually a performance car. Vettes come with 285/35-19 in back and 245/40-18 in front.
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Old 08-31-2013, 11:11 AM   #11
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Quote:
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Not just on 4WD vehicles, on any vehicle they should match. Diff tread designs can lead to loss of traction on wet surfaces.
If this were true rednecks would be extinct!! Haha
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Old 08-31-2013, 11:25 AM   #12
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I'd put the new tires on the rear. you'll want that in rain, snow, or other loose conditions to keep the rear end from getting squirrely. as far as 2 different tread, you'll be fine. if you've got similar tread patterns you shouldn't have any significant problem. my tj is actually the first vehicle (out of 5 others) ive owned with 4 matching tires. all the others drove fine, handled well enough, and gripped as good as I needed.
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Old 08-31-2013, 01:57 PM   #13
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Nice price from Tire rack. The shipping cost (to my zip code) is $116.

If the tires are all the same size, you will not have an issue if they are different...unless you have 2 different one on the front. Brake traction / drive train grip are important factors.
Is that shipping price for a set of 4? I think after shipping for two tires, it was only going to be $350

I'm getting so many mixed responses on different treads being alright
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Old 08-31-2013, 03:23 PM   #14
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It won't make a difference. My front tires on my rims w 32's are different than my back. The treads are very similar if not identical but they are definitely different brands. Just buy a pair and you will be fine.



All four are mud terrain but different brand.
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Old 08-31-2013, 03:26 PM   #15
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It is generally very bad practice to have mismatched tires. In the sports car world it is something you just don't do. On regular vehicles, they are not as sensitive but it is still not the best idea for tarmac. Reason is they behave differently in rain and snow and can cause some bad situations. If this is temporary (until you can buy another pair of duratracs) do it and put the duratracs in the front. However, as a general answer, it is a bad idea to ride around with mismatched tires.
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Old 08-31-2013, 03:34 PM   #16
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Tread design and brand, yes. Size no. There are a number of vehicles that come from the factory with different sized front and rear. Usually a performance car. Vettes come with 285/35-19 in back and 245/40-18 in front.
this is true but supposedly different SIZE tires will mess up your 4wd if you use it with the unmatched sizes
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Old 08-31-2013, 03:56 PM   #17
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Nothing wrong with the athouritys I've got about 25k on mine with minimal wear...
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Old 08-31-2013, 04:51 PM   #18
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Did he say he was buying different sized tires? A jeep is not a sports car!
If the tires are the same size and bought in pairs, there will not be an issue.
I assume if one pair is being replaced, he will have to replace the other pair in due time. Regardless, it won't hurt. It's not going to make you wreck, your wheels are not going to shoot off, he will be fine.
I don't like the look of the different tires on front and back but other than that, there has been Zero issues.
All the tires on my BMW match and I have never had it any other way but I'm sure if I changed up a pair and kept the same size, I wouldn't have any issues.
On the jeep, my tires are wearing even and being rotated with every oil change. I have had 0 tire issues.
Hmmmmm. Maybe it's the different brand tires that have made me have to replace my clutch, pinion yoke, power steering pump, water pump, and a few freeze plugs over the last three weeks..

Oh, the suburban in the photo has 3 different brand tires on it with about 40k on the tires. No issues there either........ The suburban was a ranch car but brought it home and used it to transport my drunk friends around. The tires are different due to Cacti punctures
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Old 08-31-2013, 06:23 PM   #19
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this is true but supposedly different SIZE tires will mess up your 4wd if you use it with the unmatched sizes
x2 .... I would see nothing wrong with running two different sets of tires as long as the front is a matching set and the back should be a matching set too but its not as important as the front matching .... size is very important .... if front and back are different sizes and you shift into 4wd it could cause binding
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Old 08-31-2013, 06:28 PM   #20
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Tread design and brand, yes. Size no. There are a number of vehicles that come from the factory with different sized front and rear. Usually a performance car. Vettes come with 285/35-19 in back and 245/40-18 in front.
True to a point but keep in mind the Corvette has an extremely sophisticated Antilock Brake Control System, Traction Control System and a Selective Control Suspension System. Disable those systems then attempt to drive one of those 430+ HP bullets in a spirited fashion. A few years back during a special GM training seminar for Corvette Technicians a few of us where allowed to do just that.... I never killed so many orange cones in my life, but damn it was Fun
Computer controls can do wonderful things for unbalanced traction patches.
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Old 08-31-2013, 11:30 PM   #21
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If you don't have the scratch for a new set then buy two new & call it a day. Stick to the same size & type. It won't be the end of the world.
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Old 09-01-2013, 10:50 AM   #22
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this is true but supposedly different SIZE tires will mess up your 4wd if you use it with the unmatched sizes
I had the problem with my jeep I bought it in the winter, I had a lot of problems w 4wd. It had 2 different tire brands on there, Both were the exact same size 225 70 15. I took one of each tire off rolled them next to each other and one was over an inch taller than the other one! This size difference was making it bind up in 4wd. If you do get a different tire brands roll them next to each other and make sure the are the same height. I need to learn how to post pics so I can post one of it

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