Spare tire question with bigger tires... - JKowners.com : Jeep Wrangler JK Forum
 
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post #1 of 7 Old 02-14-2009, 10:20 AM Thread Starter
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Spare tire question with bigger tires...

OK, so eventually, I will be putting 33s, or maybe 35s, but most likely 33s on the Jeep when the 32s wear out...which will be a while, so I have time, but what would be the drawbacks to leaving the 32 out back as a spare, and just getting 4 new tires, esp. if I go with 33s and not 35s...I see a ton of Jeeps around here like that, but none on the board for the most part...I do go and wheel my Jeep, so why should I not do this to save money? Is it unusable if I need it, on road or off? Thanks.

2007 Jeep Wrangler X, Auto, Hardtop, White, Superchips Flashpaq, 2" OME HD springs, Rusty's Adj. F/R trac-bars, Bilstein Steering Stabilizer, JKS Quicker Disconnects, JKS Rear Swaybar Extensions, PolyPerformance UCAs f/r, Rusty's LCAs f/r, 33x12.5 BFG KM2s, ProComp 15x8 Rockcrawlers, Smitty winch, Body Armor Front Bumper, FLW SS rear bumper, OEM Rubicon Rock Rails, Skid Row Engine and Tranny Skid, Member UFWD & BRC, †John 3:16†
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post #2 of 7 Old 02-14-2009, 10:30 AM
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You should be fine, especially if you dont have any lockers... I ran a 34- 9.50 as a spare for 35's and know kids runnin 31 spares for 33s
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post #3 of 7 Old 02-14-2009, 10:47 AM
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Within reason on the spare being close to the actual tires and you use the spare as an emergency use only, you should be ok. After all how many people run those donut tires.

If you have a locked axle, I would recommend against it. If it is selectable then ok in a pinch.

Again I would not run the spare for any more longer than required to get your JK immediately to a tire shop to get all 4 tires back to the same size.

Now if you have 35-37 inch tires and a 32" spare, well, again go directly to the tire shop, do not pass go and don't drive very fast.

Umm, I don't have a spare on at this time as I am running the stock tires and the 37's are in the garage. I have a stock size spare but need to remodify my spare tire carrier to mount the stock offset. And I'm too lazy as summer is coming and the 37's will go back on. I'm a slacker.
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post #4 of 7 Old 02-14-2009, 02:56 PM Thread Starter
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Quote:
Originally Posted by MichaelW View Post
Within reason on the spare being close to the actual tires and you use the spare as an emergency use only, you should be ok. After all how many people run those donut tires.

If you have a locked axle, I would recommend against it. If it is selectable then ok in a pinch.

Again I would not run the spare for any more longer than required to get your JK immediately to a tire shop to get all 4 tires back to the same size.

Now if you have 35-37 inch tires and a 32" spare, well, again go directly to the tire shop, do not pass go and don't drive very fast.

Umm, I don't have a spare on at this time as I am running the stock tires and the 37's are in the garage. I have a stock size spare but need to remodify my spare tire carrier to mount the stock offset. And I'm too lazy as summer is coming and the 37's will go back on. I'm a slacker.
LOL, I am a slacker too...However, my concern here is financially driven. I would only use it to get to a tire shop or off a trail and to a tire shop, and I wouldn't drive crazy while it was on there...

2007 Jeep Wrangler X, Auto, Hardtop, White, Superchips Flashpaq, 2" OME HD springs, Rusty's Adj. F/R trac-bars, Bilstein Steering Stabilizer, JKS Quicker Disconnects, JKS Rear Swaybar Extensions, PolyPerformance UCAs f/r, Rusty's LCAs f/r, 33x12.5 BFG KM2s, ProComp 15x8 Rockcrawlers, Smitty winch, Body Armor Front Bumper, FLW SS rear bumper, OEM Rubicon Rock Rails, Skid Row Engine and Tranny Skid, Member UFWD & BRC, †John 3:16†
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post #5 of 7 Old 02-16-2009, 05:59 PM
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Why not get a full size spare and work it into your tire rotation. That way you get more use out of your $$$$$$$

mark

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post #6 of 7 Old 02-16-2009, 06:17 PM
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Quote:
Originally Posted by Nanook View Post
Why not get a full size spare and work it into your tire rotation. That way you get more use out of your $$$$$$$
This is a good idea. Plus the fact that if you go up to 35's (and possibly with 33's), you will likely have the ESP/ BAS activating if you use the factory spare tire size. Also, there are some off-road events, venues/ ORV parks that require you to have a full size spare. I would definitely upgrade the spare if you are going to 35's.
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post #7 of 7 Old 02-16-2009, 07:09 PM
 
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If your tires are not the same size, your ESP will go crazy!!! If you turn the system off, you should be OK.
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