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Old 11-18-2012, 09:10 PM   #1
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Talking 15x8 or 15x10 wrapped in 33x12.5s

hey fellas i decided on a 4 inch suspension lift for my 02 sahara and i definitely want 33x12.5s not sure whether i want 15x8 or 15x10 wheels. i know im gonna need at least 4.5" of backspacing. what are yalls opinion on wheels? also what do yall think about 16 inch wheels? im pumped on gettin this thing in the air for the winter so some advice would be nice

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Old 11-18-2012, 09:16 PM   #2
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Go with 8". Better bead.

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Old 11-18-2012, 09:34 PM   #3
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15x8. Not only will it hole a better bead, but it will protect your wheels better because of the extra bulge sticking out.

This is what I was able to do with 15x8. I'm afraid of what it would have looked like with a 15x10.

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Old 11-18-2012, 09:39 PM   #4
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For a Jeep I think the less rim and more rubber the better!!
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Old 11-18-2012, 10:43 PM   #5
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15x8. You can air down further with 8" vs 10". I may be wrong, but me thinks the tires will cost less. Most 16" tires in a 33 will be 8 or 10 ply, 15" tires will be 6 ply. The higher ply ratings are designed to carry more weight, not a factor on most Jeeps.
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Old 11-19-2012, 12:22 AM   #6
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I have 33" 12.50 on 15x10 Mickey Thompsons(powder coated). They are wide and I like them. They were on the Jeep when I bought it, but I probly wouldnt change them if I had the option. I dont know which is better but I dont think its gonna make that much of a diffrence offroad. I would figure what kinda terrain you wheel, the tread of your tires, and traction aid will matter more offroad than the width of the tire when it comes to smaller tires like 33". It comes down to personal prefrence. Oh 15" rims are gonna have more options for tires.
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Old 11-19-2012, 06:25 AM   #7
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15x8 with 3.75" BS mounted with 33x12.50's is perfect. I run Duratracs at 26-28 psi street pressure and 10-12 psi offroad . you will have much better rim protection and less likely of a chance to bust a bead on the trail when aired down.

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Old 11-19-2012, 06:31 AM   #8
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I ran 15x10 on my CJ with 33x12.50 MTs.

When aired down on the trail, all too frequently trail debris (gravel, silt,mud,tree bark) would pack into the bead and cause loss of air pressure/prevent airing up.

This didn't happen to the guys running 15x8s.
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Old 11-19-2012, 08:06 AM   #9
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15x8. Thats the "by the book" size. I run that with 33x12.5 and i love it. All my friends running 10 inch wide from time to time loose their beads on sand dunes. I even go down to 8psi and go sideways on dunes and i have never had a prob.
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Old 11-19-2012, 09:12 AM   #10
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I've got 15x10s but that's only because I was given 2 so I only had to purchase 2 if I had to buy all 4 15x8s woulda been my choice, the 10s stick the tire out to far and I had to put aftermarket wider flares on the jeep to cover the tread
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Old 11-19-2012, 09:21 AM   #11
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15x8s if your a hard core air down to 5 psi kind of guy. But otherwise i prefer 15x10s. Look better and give a better stance. Would go to a 15x12 if i come across a set of 14.50 or 15.50s
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Old 11-19-2012, 09:41 AM   #12
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Quote:
Originally Posted by Mudweiser View Post
15x8s if your a hard core air down to 5 psi kind of guy. But otherwise i prefer 15x10s. Look better and give a better stance. Would go to a 15x12 if i come across a set of 14.50 or 15.50s
First, you don't need to air down to 5 psi to benefit with 15x8 over 15x10 wheels. 15x8 even benefits those who only air down to 8-10 or sometimes even 10-12 psi. Next, not all care for the looks of a 15x10 and the wider "stance" is more a function of backspacing than it is wheel width. Besides, any aftermarket wheel will give you a wider stance due to its reduced backspacing. And if you ran tires that were 14.50 or 15.50, you'd soon discover that wide of a tire will turn your TJ into a giant waterski as it becomes the master of hydroplaning on wet roads.

And why do we offroaders gravitate to wheels that aren't so wide? Because it takes less air pressure to hold the tire safely seated between two edges that are 8" apart than when they are 10" apart. Which means you can air down lower with less worry about the tire coming unseated.

For any tire between 10.5 and 12.5" wide, I'll always go with a 15x8 wheel since it also works so well on the street not to mention the obvious offroad benefits. And I'll never go wider than 12.5" tire for a daily driver due to how much more easily wider tires hydroplane.

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