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Old 11-24-2011, 01:28 PM   #1
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Stupid tire size question

My dads jeep has tires marked as 31x10.5 but they are only about 29" in diameter.

What gives?

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Old 11-24-2011, 01:40 PM   #2
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that happens.. tires are rarely exact to what they are marked.. all though 2 inches is alot for a tire to be off.. could you be measuring it wrong? Are the tires new or used.

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Old 11-24-2011, 01:47 PM   #3
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The only brand I have seen that is consistant with the markings is Interco.
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Old 11-24-2011, 01:51 PM   #4
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The spare is unused. We measured it to get a reading without weight.

Still show about 29. I can understand it being off but 2 inches sounds nuts.

The good news is that he is offering to buy my true 31s when I upgrade to 33s shortly.
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2012 Cherry Red JK
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17x8 Black Rock D-Window Alloys
315/70/17 GY Duratracs
4:56 Gears - LSD in Rear w/ Ten Factory Chromoly Shafts
TF HD Diff Covers
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Old 11-24-2011, 01:56 PM   #5
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Ive measured 39's that are 37's lots of times....sounds bought right to me
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