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Old 08-07-2012, 06:54 AM   #1
Join Date: Mar 2012
Location: Central Pennsylvania USA
Posts: 64
Tire Choice/DW question

I have a 2005 LJ, that I'm starting to mod. So far I've installed a 2" spacer lift, some lights, and a hardtop. My tires are P235/75-15's on stock 15x8 aluminum rims. My tires are nearing the end of their life, so I'm debating about what tires to install. This is a daily driver.

Had my first DW experience last week, and would definitely like to avoid that again! 95+ degrees and that section of the interstate was like a washboard- -doing around 55 when it happened. I thought the front axle was going to come out from under the Jeep. I've got a steering dampener coming, and have installed a new track bar(it wasn't what I would call "shot" but the bushing is softer than the replacement, and the tie rod end had a little movement). I had my tires at 33 psi, and have dropped them to 27 also. So far so good....crossing fingers.

The tires I'm looking at are P265/75R15 Cooper Discoverer A/T3, which the local tire shop has priced me at $135/tire mounted and balanced- -a heck of a deal I thought. These should be roughly the same as a 31x10.5-15 from the specs I'm reading, and reviews on this tire seem to be good.

Question is - does tire size influence DW? Will I be more prone to get it with the larger tire/larger sidewalls? Should I just stay with the 235's?

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Old 08-07-2012, 07:32 AM   #2
Wattapunk's Avatar
Join Date: Mar 2012
Location: North TX
Posts: 1,976
You won't have a problem with a 31" tires and can run 31" tires even without a lift. Loose suspension would create DW and not by tires(IMO). Although many speed sensitive vibes are caused by unbalanced tires. Sometimes oversize tires are more difficult to balance for a shop that doesn't deal too much with those sizes but 31" tires are very routine for tire shops, considering it's a common size for SUVs/trucks.
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