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Old 05-02-2007, 09:30 AM   #1
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15x8 vs 15x10

I have been reading/searching posts about wheel sizes, but I havent found what I was looking for.

Could someone explain to me the visual difference between 15x8 and 15x10? I know its a width thing, but what does it do to the tire? If a tire gets wider, does it also get shorter?

Thanks in advance.

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Old 05-02-2007, 09:34 AM   #2
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The only thing a 15x8 vs 15x10 wheel is going to do for tire width is allow the sidewalls to bow out more or less.

A 33x12.50x15 tire is still going to present a basically 12.50" width on the ground no matter which wheel you select.

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Old 05-02-2007, 11:39 AM   #3
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What about on a smaller tire such as 31's or 32's?
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Old 05-02-2007, 11:51 AM   #4
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I run 15X8 on my 31x10.50x15's. It was the recommended rim. I know a lot of folks here who run the 15X8 for 33x12.50x15's as well and others prefer the 15x10.

At 31 or 32 I probably stick with the 15x8 wheel.
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Old 05-02-2007, 02:48 PM   #5
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I run 33X12.50's on a 8inch rim. Seems to work good for me.
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Old 05-02-2007, 07:11 PM   #6
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If you wheel it, the 15x8 will hold the bead better than a 15x10. I know there are people that air down the 15x10's and say no problem, but you have a better chance of popping a bead with the wider rim when aired down.
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Old 05-02-2007, 09:58 PM   #7
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10" wheel sticks out a bit more.
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Old 05-02-2007, 10:05 PM   #8
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Quote:
Originally Posted by bigjeep View Post
10" wheel sticks out a bit more.
to add to this a bit more....

if you wheel your jeep the tire on a 10" wide rim will provide less protection for your rim versus the 8" wide rim.
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Old 05-02-2007, 10:12 PM   #9
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With a 8 in rim, isn't there a better chance of blowing your tire tho? I would figure with a 8 in rim and say 10.5" tires you have more tire buldge on the sides than with a 10 in rim and a better chance of comming down on the side of the tire and blowing it out (on a limb, rock, etc). I'm not 100% sure, don't know too much about this stuff. Just seems to make sense.
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Old 05-02-2007, 10:16 PM   #10
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Quote:
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With a 8 in rim, isn't there a better chance of blowing your tire tho? I would figure with a 8 in rim and say 10.5" tires you have more tire buldge on the sides than with a 10 in rim and a better chance of comming down on the side of the tire and blowing it out (on a limb, rock, etc). I'm not 100% sure, don't know too much about this stuff. Just seems to make sense.
I've wheeled 31x10.50s, 33x12.50s, 35x13.50s, and 37x12.50s all on an 8" rim. I believe you take a nominal risk whenever you wheel. I don't believe rocks care what size tire or rim you have. They will still cut them.

For comparison sake:

I run the 35x13.50 on an aluminum 8" rim.

My buddy has a set of 33x12.50s on a 10" wide steel rim.

After wheelin the same trails over a 4 day stretch he had burped at minimum 4 pounds of air out of each tire. I didn't burp any.
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Old 05-03-2007, 12:18 AM   #11
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Oh I was just thinking out loud more than anything. Just seemed that you might run more of a chance because of having a slightly bigger buldge on the sides with an 8 in rim compared to a 10 in. This is good to know though, when I buy new tires I am going to get rims. I think I am going to stick with 8 in.
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Old 05-03-2007, 11:48 AM   #12
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it might be a personal preference but i kinda like how the 8in looks more wit a 12.5 width tire. The 10 inch rim jus looks a little to flush to the tire in my opinion... It might be best check out a few pics and or see the difference in the look (unless u dont care) before u decide
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Old 05-03-2007, 12:17 PM   #13
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I ran the same 33" tire in both sized and it tended to wobble a bit with the 15x10, even after I had the wheel balance checked with and without tires, and an alignment done. I am happy with 15x8.

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