Should I get a new spare with my set of tires? - JeepForum.com
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Unread 06-04-2013, 07:34 AM   #1
xSHAWNx
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Should I get a new spare with my set of tires?

My current spare is the stock 30x9.5 and I'm looking to upgrade my tires to 33x12.5's. should I bother with getting a new spare to match?

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Unread 06-04-2013, 07:41 AM   #2
NotURMailman
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Do you have an LSD rear differential? Or auto lockers or lunchbox locker in either axle?
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Unread 06-04-2013, 07:45 AM   #3
xSHAWNx
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Originally Posted by NotURMailman View Post
Do you have an LSD rear differential? Or auto lockers or lunchbox locker in either axle?
What does that have to do with buying a spare tire?
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Unread 06-04-2013, 07:47 AM   #4
JBTJ
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Knock on wood. I've never carried a spare in my JEEP for the past 33 years.
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Unread 06-04-2013, 07:49 AM   #5
Jeffro06
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Quote:
Originally Posted by NotURMailman View Post
Do you have an LSD rear differential? Or auto lockers or lunchbox locker in either axle?
Quote:
Originally Posted by xSHAWNx View Post
What does that have to do with buying a spare tire?
If you have any of those you'll want your spare to be the same size....just like you'll want to be sure the psi in the tires all match....you don't want one size of the axle trying to spin faster than the the other, when going in a straight line.

Tiny spares look stupid. Get 5 new tires and rotate the spare into use, that's how I do it.
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Unread 06-04-2013, 08:16 AM   #6
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Yes. The first time you have to use it you will be glad you got a matching spare.

If your current spare is in good shape, maybe somebody with tires that size might want to buy it for a spare; especially if they're running one of those full-size temporary spares. Might shave a few bucks off the purchase of a fifth wheel/tire combo.

I just bought five new wheels and tires (not four) for my Doge truck; going up in size from a 265/75/16 to a 285/75/16.
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Unread 06-04-2013, 08:21 AM   #7
xSHAWNx
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Actually I guess I have no choice really, cause I can't run with one 30" and the others being 33.
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Unread 06-04-2013, 08:22 AM   #8
Zolt
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Yes they all need to be the same size.

Tire dealer might have a used one the correct size if you can't afford the price of new.
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Unread 06-04-2013, 08:35 AM   #9
2jhanna
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I agree that the spare should be the same size/type as the others, but there are a couple of options.

I would only buy 5 matching new tires, IF I planned to do a 5-tire rotation. This keeps that 5th new tire from going to waste and dry rotting like many do. Also if you damage a tire, you have a replacement with the same wear, ready to take its place.

If you don't plan to do a 5-tire rotation or if money is an issue, buy a used tire of the same size/type as a spare. Used tires can by found on CraigsList, etc.
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Unread 06-04-2013, 09:10 AM   #10
Bhamshooter
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I'm planning on getting a matching spare when it is time for a rotation. If you're looking to save a little cost, and risk running without a full size spare until your first rotation, that may be the way to go. But mine were only going from 30-9.50 to 31-10.50. Buying 4 at once, and then 1 more a few months down the line spreads the cost out.
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