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Whats the lagest/widest tire size i can fit on my 00 xj?

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Old 11-02-2010, 08:40 AM
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Default Whats the lagest/widest tire size i can fit on my 00 xj?

I just bought i 00 cherokee, and i dont really have a need to lift it but i want bigger tires and wider. How big can i go without running into problems? Could i do like a 15x10 wheel? And if i go with a width like 9.5/10ish what would be a recomended offset of the wheel?

all comments welcome. thanks

Pat
Old 11-02-2010, 08:42 AM
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15x8 wheels and a 10.5" wide tire.
Old 11-02-2010, 09:44 AM
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235/75R15 or an 29x10.5x15 tire without trimming or lift
Old 11-02-2010, 09:51 AM
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How about 275/60/15? 2" wider than stock but virtually identical in height (diameter)......won't mess up speedo. Stock back space is 5.25" so a 4" bs wheel with a 2" wider tire should get about the same backside tire clearance as stock.

Last edited by djb383; 11-02-2010 at 09:56 AM.
Old 11-02-2010, 09:56 AM
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wider tires are actually worse, not better. they displace the weight of the vehicle over a larger area, resulting in more float and less traction.

that is why mudders run wider tires...to try and help float.
Old 11-02-2010, 09:56 AM
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you would need a smaller backspacing to fit them w/o rubbing

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Old 11-02-2010, 09:58 AM
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Guess it all depends upon what your goals are with the XJ.

If your not going with a lift or a bit of slice and dice on the fenders than the 235s work well. I would actually consider a bit of trimming fitting a bit larger tire. Modification would be effectively free, just requires a bit of planning and careful cutting. There are plenty of articles / discussions walking you thru step by step. (Just to be honest, I have not yet cut my fenders or flares)
Old 11-02-2010, 11:23 AM
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Originally Posted by JeepCoMJ
wider tires are actually worse, not better. they displace the weight of the vehicle over a larger area, resulting in more float and less traction.

that is why mudders run wider tires...to try and help float.

Float???? I thought it was: more tire=more traction. Floating over mud pits isn't mudding.
Old 11-02-2010, 11:51 AM
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Originally Posted by jcwclm
Float???? I thought it was: more tire=more traction. Floating over mud pits isn't mudding.
On a flat surface, yes - more width = more traction.

On uneven ground/deep snow, thinner tires are actually better since there is less resistance to them moving forward because of the decreased width. That's why most people usually put skinnier snow tires on their cars.

On sand/mud, wide tires are preferred because they sink into the surface less, thus "float"ing over it instead of getting stuck
Old 11-02-2010, 11:59 AM
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im soon to be putting a 31x1050 15 on the xj. its got a 2"(+) body lift. so will the 31's fit w/o cutting. im not worried about lock to lock scrub. also, running my stock 15x7 rims is ok, too, right?

Last edited by VTJeep; 11-02-2010 at 12:04 PM.
Old 11-02-2010, 12:29 PM
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there is no body lift for an xj they are unibody you prob have a 2" bb lift they might rub a little when you go over speed bumps and such
Old 11-02-2010, 12:59 PM
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Originally Posted by dukie564
On a flat surface, yes - more width = more traction.

On uneven ground/deep snow, thinner tires are actually better since there is less resistance to them moving forward because of the decreased width. That's why most people usually put skinnier snow tires on their cars.

On sand/mud, wide tires are preferred because they sink into the surface less, thus "float"ing over it instead of getting stuck
I know what you mean about skinny tires in snow, but when I read floating on mud... it reminds me of when people take a dirt bike over a pond. I don't consider that mudding.
Old 11-02-2010, 01:13 PM
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Originally Posted by jcwclm
I know what you mean about skinny tires in snow, but when I read floating on mud... it reminds me of when people take a dirt bike over a pond. I don't consider that mudding.
What you are thinking is closer to hydroplaning or skipping over it.

Floating isn't the exact right term, but its the best to describe what happens. You aren't literally "floating" on the mud, snow, or sand, but you don't sink anywhere near as much with the bigger foot print.
Old 11-02-2010, 02:00 PM
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Originally Posted by Gee oh Dee
What you are thinking is closer to hydroplaning or skipping over it.

Floating isn't the exact right term, but its the best to describe what happens. You aren't literally "floating" on the mud, snow, or sand, but you don't sink anywhere near as much with the bigger foot print.
I get what was said about floating. It just threw me off the first time i read it. I know what your talking about.
Old 11-02-2010, 03:27 PM
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The largest tire you an go with on stock rims for a non modified XJ is a 30x9.50. Anything larger (taller or wider) than that will rub unless properly backspaced rims
(allows for more tire width) and/or trimming (allows for more tire height) is done to your non-lifted XJ.


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