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Old 01-18-2019, 10:04 PM
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Stock 18" - should I change?

I have a 2010 JKUS with stock 255/70R18 tires.

I am looking at installing a 3.5" lift kit and go with 35" tires, maybe 37" someday. This is not a DD, but a pull behind the RV travel to off-road sites and get around vehicle. Due to the backspacing of the stock rims and the 18" size I was really thinking I should get new rims and go smaller. I was thinking a 17" rim.

What are the pros and cons of staying at 18" vs a smaller rim size? I have seen in doing some pricing that 18" rims do have more cost in the tires. Am I correct or am I am missing something.

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Old 01-18-2019, 10:37 PM   #2
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There is a broader selection and better pricing on tires and wheels based off of the 17". I do like the look of a 18" wheel on a 35 or 37" tire, but the price gouges my wallet. Too much bigger wheel and it just turns into a grocery getter in my humble opinion.


You on the right track going to 17s

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Old 01-19-2019, 10:31 AM   #3
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As Shadowmaker pointed out, the selection is broader in 17-inch and is more economical when compared to 18" of equal size.

I wouldn't say there are any con's per se but bear in mind that moving from a 32" tall tire to a 35" or 37" will affect handling. Taller sidewall height translates into more "roll" so steering response will be reduced.
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Old 01-19-2019, 10:46 AM
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Since I'm not planning to use this as a DD or for performance handling that should not be an issue.

Will having taller side walls benefit off road handling when aired down?

Is a 17" the best option or should a 16" be considered?

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Old 01-19-2019, 11:14 AM   #5
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Originally Posted by tootalltom View Post
Since I'm not planning to use this as a DD or for performance handling that should not be an issue.

Will having taller side walls benefit off road handling when aired down?

Is a 17" the best option or should a 16" be considered?

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I'm not sure a 16" rim fits over the brakes. I believe I've read elsewhere 17" is the minimum.


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Old 01-19-2019, 11:36 AM
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I'm not sure a 16" rim fits over the brakes. I believe I've read elsewhere 17" is the minimum.


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Good point. I forgot about those ever important brakes.

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Old 01-19-2019, 12:21 PM   #7
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16" alloy wheels work too, but the selection is somewhat limited when it comes to wheel selection. I'd keep it 17"
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Old 01-19-2019, 12:29 PM   #8
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Vote 17's all day for tire option fro your application, wheel options, added sidewall, better look than 18's with larger tire sizes such as 35/37's, better air down performance and stability and so on....

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