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Old 11-28-2011, 09:13 PM
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Noob Question. Does the size of the wheel effect anything?

I know that the size of the tire has obvious effects on power, mpg, tranny, etc; but does a change in wheel size have any similar effects? I planning on adding some 26 inch rims. Just kidding! I was actually planning on going smaller to either 16 or 15 inch and was wondering if, seeing my Jeep came from the factory with 17's, does it make a difference? Thanks, sorry for the noob question

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Old 11-28-2011, 09:17 PM   #2
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A smaller wheel will weigh less. Less un-sprung weight affects your power and MPG positively. Smaller wheels not only weigh less most of the time but you'll more than likely be mounting a tire with less weight on it too than the same size tire on a bigger wheel.

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Old 11-28-2011, 09:20 PM   #3
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Holy crap. You scared me when you mentioned 26" rims.
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Old 11-28-2011, 09:38 PM
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Sounds like I am going with smaller wheels

Thanks for the reply. So the weight of the extra tire to compensate for the smaller rim is minimal I'm guessing? Plus i believe that tires for smaller rims are generally cheaper. I almost scared myself with those 26 inch rims after I re-read it
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Old 11-28-2011, 09:46 PM   #5
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If you go with 15s, make sure they clear the brake calipers. Not all do.
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Old 11-28-2011, 09:47 PM   #6
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Are you increasing the tire size to offset the smaller wheel and maintain the same net wheel-tire diameter?

If so, no change. If not, then going smaller will be easier on your transmission, probably increase mgp, register a faster speed on the speedometer, unless of course you calibrate for the new size.

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