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Old 11-08-2009, 09:24 PM   #1
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Wheel/Rim Help

I am looking at ION Alloy Wheel - Series 171

Wheel/Tire Size: 15"
Width: 8"
Lug Pattern: 5x114.3 / 5x4.5"
Material: Aluminum
Finish: Powdercoated
Finish: Machined
Offset: -27 mm
Color: Black

With 31x10.5x15 for my 2004 Wrangler (no lift) and wanted to know if they will fit and be in the wheel well.

Thanks for any inputs.

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Old 11-09-2009, 02:15 AM   #2
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31s will fit fine. I ran them when my jeep had no lift for a while and so did a lot of people. Although, what is the backspacing on the Ions? Any number less than 5.5" (stock rim backspacing) will stick out farther from the Jeep.

Hope this picture helps

31x10.50R15

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Old 11-09-2009, 02:49 PM   #3
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I think the backspacing on the ION's is 3.5 but they don't specify ... they only call out the offset.
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Old 11-09-2009, 03:48 PM   #4
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I don't know what flares and wheels you have on your rig now but if they are stock and if you want to keep the new Ion's and tires under your current fender flares then that backspacing is a major concern:
..if it is 3.5' on an 8" wheel vesus the 5.25' on a stock 7" steel wheel like I have on my '98...then I think they are going to be sticking out.

At a 'NEGATIVE 27mm (a little over one inch)' offset on that Ion wheel you will have a lot more of the wheel moved out away from the TJ chassis. My stock TJ steel wheel has 25+ mm (right at one inch) of POSITIVE offset so the stock wheels are position in closer to the chassis and under the flair.

So those ION wheels should be sticking out over two inches more than your stock wheels do now...that excludes any additional distance caused by 10.50 tires. If that is the case, those wheels definitely would extend beyond my stock flares.....
Sooo..Before you give up any of your hard earned green for those wheels..I would have one mounted up and put on you Jeep and see what you have....good luck.
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Old 11-13-2009, 10:12 AM   #5
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Thanks Bill ... I ended up going with a different rim that has the correct backspacing and with the 30x9.5. This is for my kids Jeep and it will mostly be on the road so I wanted a setup that would get half decent MPG.

Jim
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