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Discussion Starter · #1 ·
I have 32's on my jeep and got a spare from my buddy at the local tire shop.... I noticed it is not a 32 but a 31.... can I use this as a spare? Will the tire size mess up my axle at all? I don't have any lockers or anything
 

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It won't hurt it as long as you don't drive real fast or real far.
 

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Yeah, you'll be fine as long as you don't make it permanent.
 

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i use a 34x9.5 as a spare to save on weight on my tire carrier. i run 36x12.5's however. my plan is to put the spare on the front axle and be sure to keep it in 2wd so it does not effect the differential.
 

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Is a 33/12.5/15 the same diameter as a 33/10.5/15 ? Or even (if there is such a thing) a 33/8/15 ?

I'm just curious. I have 33's but no spare. Would it make sense to have my spare in a smaller width, but the same diameter ?
It would save weight on the tire carrier, take up less room, and still be able to keep the vehicle level when it's needed to be used.
 
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