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Unread 09-14-2012, 03:31 PM   #1
MagJeep
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Spare tire?

So I only bought 4 new tires (Hankook 265/70/17) and my spare is still stock (235/65/27). That almost a 3 inch difference. If I'm in a bind, is that spare usable or what? I was thinking about finding a used tire shop up here and having them mount it on the spare rim. Is that what guys usually do? Because it great piece of mind knowing i have (or had) a full spare.

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Unread 09-15-2012, 12:18 AM   #2
trax95008
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Absolutely unusable! You will destroy your differential
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Unread 09-15-2012, 05:20 AM   #3
06WKHEMI
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Actually it depends on which system and the speed traveled, at least with the QDII the system can compensate for short periods under 40mph I ran into the same issue when I went to my 265's however it's not really recommended your better off finding a fullsize take off from a tire shop or Craigslist
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Unread 09-15-2012, 02:41 PM   #4
MagJeep
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How much should i be spending on a used spare tire? 265/70/17?
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Unread 09-15-2012, 02:51 PM   #5
scootr29
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why would you want to skimp on paying for a good new reliable spare tire...there are somethings that you need to spend some money on...tires are on the top of my high quality items.
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Unread 09-15-2012, 03:18 PM   #6
MagJeep
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I'm not sure what you're getting at, of course tires are important. That's why i just sent over $800 on a set of 4. I'm talking about the spare tire which if needed, has to get me off the side of the road and home/to a tire shop to get a new hankook. Are you saying i should buy another new hankook for the spare?
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Unread 09-15-2012, 03:25 PM   #7
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I suppose you could get away with having the spare that's 235-265/70/17 as long as the overall diameter of the spare is close to that of other tires.
The width really doesn't matter if the spare is just going to be a spare and not part of the tire rotation.
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Unread 09-15-2012, 04:36 PM   #8
longboy
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On vehicles that can store a full-size spare, I typically buy 5 and rotate all of them regularly. You pay 25% more up front, but you get 25% more mileage out of them and you have a spare that matches
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Unread 09-21-2012, 01:51 PM   #9
MagJeep
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How many miles do you think i can put on them before I am no longer to incorporate a brand new tire to the rotation?
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Unread 09-21-2012, 02:05 PM   #10
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Quote:
Originally Posted by MagJeep View Post
How many miles do you think i can put on them before I am no longer to incorporate a brand new tire to the rotation?
5k to 10k miles , do tires with every or every other oil change
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Unread 09-21-2012, 03:08 PM   #11
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I'm in the same situation. I too went to 265 70 17's and still have the stock spare. There is a local shop which sells used three. I'm going to see if they will trade the stocker for one of the proper size
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Unread 09-21-2012, 04:17 PM   #12
JeepN4KC
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You want a full size spare period. Would a stocker get you by in a pinch? Maybe. But a full size spare will keep you out of that pinch.
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Unread 09-21-2012, 06:04 PM   #13
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And a 265/70/17 fits in place of the OEM spare just fine? seems like such a waiste to hide a nice tire and wheel lol. But you have to do what you have to do I guess. cant be withought a good spare.
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Unread 09-21-2012, 07:11 PM   #14
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factory spec is no more then 1/8th-1/4 of circumference difference depending on vehicle/axle/awd system.
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Unread 09-21-2012, 07:16 PM   #15
JeepN4KC
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Quote:
Originally Posted by Moose25 View Post
And a 265/70/17 fits in place of the OEM spare just fine? seems like such a waiste to hide a nice tire and wheel lol. But you have to do what you have to do I guess. cant be withought a good spare.
If you don't have a hitch then it fits in the spare well easily. With a hitch you'll have to do some modifications to the inboard side of the hitch - but it still definately fits.

And it's a spare - it doesn't have to be pretty. Buy a used tire off Craigslist or a local tire shop. Be sure it has at least halftread life and is in good condition, of course, but it's just to get you rolling again should you need it.
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