List of Available 30 x 9.5 R15 tires for Daily Driver XJ, ZJ, or TJ - Page 3 - JeepForum.com
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Unread 10-14-2013, 09:12 AM   #31
Transy416
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Join Date: Sep 2013
Location: Ashland, KY
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Just got the Cooper AT3's in 30 x 9.5 for my stock Cherokee and they worked great for me on mud, dirty steep hills, going over large rocks, etc. also quiet on the road. Only issue I noticed is some bumping in the rear if I was driving a little fast on gravel roads with potholes. This was with my hatch area full of gear so extra weight, and my shocks are original at 120,000 miles. Also noticed my rear bump stops are gone, so perhaps this is the problem (?) since these are slightly taller tires.


Last edited by Transy416; 10-14-2013 at 09:34 AM..
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Unread 10-14-2013, 11:21 AM   #32
Charley3
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1999 XJ Cherokee 
 
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Quote:
Originally Posted by Transy416 View Post
Just got the Cooper AT3's in 30 x 9.5 for my stock Cherokee and they worked great for me on mud, dirty steep hills, going over large rocks, etc. also quiet on the road. Only issue I noticed is some bumping in the rear if I was driving a little fast on gravel roads with potholes. This was with my hatch area full of gear so extra weight, and my shocks are original at 120,000 miles. Also noticed my rear bump stops are gone, so perhaps this is the problem (?) since these are slightly taller tires.
The stock shocks were never good when new, and they wear out by 30K to 40K miles. So your shocks are completely useless. I suggest get some Monroe Sensitrac shocks ASAP.

The stock rear springs are often wearing out by 30K to 50K depending on use. At your mileage, and with worn out shocks, and no bumpstops, you're rear springs are probably ruined. I think you need new rear springs. Get Crown (like Quadratec sells) if you want stock replacements. Crown parts are excellent quality and prices IME. If you want an even better spring and a slight lift, get OME springs.

Obviously having no bump-stops, worn out shocks, probably shot rear springs, and cargo weight is your problem.

I have some new bump-stops front and rear that I'll mail you for free, if you pay for postage. I MIGHT have some used, slightly worn, but still in fairly good shape, FREE rear stock tow package springs I can give you. If my cousing hasn't already grabbed them from my parts pile for his mother-in-law's XJ.
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Unread 10-14-2013, 04:11 PM   #33
Transy416
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Thanks! Will pm you.
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Unread 10-14-2013, 04:32 PM   #34
Transy416
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BTW, my tire installer recommended 38 PSI, which seemed pretty high to me. That's quite a difference from 28 front and 26 rear. What about when towing? I suppose the 38 may be appropriate then?

Posted by Charley3....
Here are cold tire pressures I find work best: 27 psi front, 24.5 psi rear at air temp around 55F to 60F. If air temp is 67 F to 72F, I want 28 psi front, 25.5 psi rear. If air temp is 79F or higher, I want 28.5 to 29 psi front, 26 to 26.5 psi rear.

Last edited by Transy416; 10-14-2013 at 04:57 PM..
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Unread 10-14-2013, 04:44 PM   #35
Charley3
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Quote:
Originally Posted by Transy416 View Post
BTW, my tire recommended 38 PSI, which seemed pretty high to me. That's quite a difference from 28 front and 26 rear. What about when towing? I suppose the 38 may be appropriate then?
Add 1 psi to rear tires for every 100 lbs of cargo in rear cargo area. That's an approximation. Adjust from there.

For example, if you had 200 lbs of rear cargo, run 28 psi rear tires, but also pay attention to contact patch, sidewalls, ride quality, and handling; and then adjust psi as necessary.
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Unread 01-18-2014, 05:04 PM   #36
Charley3
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I just saw a local XJ with new 30 x 9.5 R15 Multi-Mile Wild Country XTX Sport LT on it.
They are really good looking ATs with a good mix of small and larger tread blocks, smaller and larger voids, and lots of sipes.

This is a new tire design I haven't seen before. Looks good to me. It's available in 30 x 9.5 R15.

Looks like a really good AT tread design to me. Here is the Multi-Mile webpage about it. http://www.multimiletires.com/tires/...ication=SUV-LT


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Unread 01-21-2014, 08:04 PM   #37
Dozzer295
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I have a set of Hankook Dynapro ATMs on my 1993 ZJ and I love them driven in all sorts of terrain and they have yet to let me down even once. This is very important to me mostly due to the fact that I am a Volunteer firefighter and a member of my counties Rescue Squad. So it doesn't matter what it is doing outside when the pager goes off I've got to go. I even drove my the long trip up to upstate New York to visit my family during Christmas last year and was hit by a few snow storms that were bordering blizzards and once again the ATMs took the challenge head on and never failed me. When they eventually wear out I will be buying another set.
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Unread 02-01-2014, 11:24 PM   #38
Charley3
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Does anyone have any other 30 x 9.5 R15 tires to add to this thread that aren't already in the OP? If so, please post it, and then I'll add it to the OP.
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Unread 02-12-2014, 01:19 PM   #39
Charley3
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http://www.jeepforum.com/forum/f15/c...onomy-2097065/

This other thread discusses tire size and gas mileage. Read it and you'll see more reasons to like 30s, IMO.
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Unread 03-16-2014, 01:38 AM   #40
Charley3
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I'm still adding 30" AS, AT, and MT tires to the OP. I just added a few tonight. So recheck it once in a while if you are interested in 30 x 9.5 R15 tires.
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Unread 04-26-2014, 08:48 PM   #41
Charley3
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One cool thing about 30 x 9.5 R15 tires is that you can often buy used tires cheap and get good tires for low cost.

This is because Jeepers and Ford Ranger guys often use this tire size for a while, and then lift and buy larger tires later. Then they sell their 30 x 9.5 R15 cheaply. Often they are in good shape with lots of tread left. I've seen some sell with less than 5000 miles on them. I remember one set that only had around 1500 miles on them. More often they'll have 10,000 to 30,000 miles on them, but still good tires.

The price is certainly right. Sometimes you can get nearly new tires for a fraction of the cost of buying new.

Check the classifieds section of this forum, and any Jeep or Ranger forum, and you'll usually find one or more good deals available. Likewise check Ebay and Craiglist for used 30 x 9.5 R15 tires too.

If you use 30 x 9.5 R15 tires, you can sometimes buy slightly used tires for a song. Othertimes moderately used tires. You can save a lot of money on tires this way.
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