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Old 11-11-2010, 04:40 PM   #1
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Quick Question about Spare Tire Carrier

What is the maximum size tire that can safely be carried on the factory spare tire mount? Will a 32x11.5 cause problems or will I need an aftermarket holder?

Thanks!

99 Wrangler 4.0L

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Old 11-11-2010, 05:25 PM   #2
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I had 33X12.5 on mine. I had to notch the rear bumper a bit but it worked. 32's should work without any issues.

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Old 11-11-2010, 08:12 PM   #3
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You will probably need a better carrier it will work for a while but start to pull on the carrier especially if you off road.
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Old 11-11-2010, 09:41 PM   #4
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You should be OK. Keep it tight so there's no vibration or wobbling. Make sure that rubber bumper is tight against the wheel.

If the wheel can move, it will start "tin canning" on the tailgate - you know how a tin can is strong when it's straight, but if it gets even a tiny crease, it bends really easily? You're avoiding that.

A heavy tire is a stress on hinges, but thats' not horrible, especially if you don't open the tailgate a lot.
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Old 11-11-2010, 09:46 PM   #5
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My little 30x9.5 started to dent in the tailgate. So i went flat back
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Old 11-11-2010, 09:47 PM   #6
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Ill tell ya, for awhile I had a 35x12.50r15 attached to my tailgate stock carrier and it worked. The gate really started to sag and I had to go buy a rear bumper/spare tire swing arm before I jacked it up too much.
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Old 11-11-2010, 09:48 PM   #7
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Quote:
Originally Posted by ZZR_JOE View Post
What is the maximum size tire that can safely be carried on the factory spare tire mount? Will a 32x11.5 cause problems or will I need an aftermarket holder?

Thanks!

99 Wrangler 4.0L
I wouldn't put much faith in it. It will hold up a bit, but eventually you're going to start seeing cracks in the hinges, and your carrier might start pulling away from the tailgate. I'd just spend the extra money for a carrier, or keep it in the back and not even use a tire carrier.
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Old 11-11-2010, 09:59 PM   #8
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I've been running a 33x9.5 for over 3 years now without issue. The key in my experience is to make sure the spare is snug against the tailgate and rubber snubbers. If it isn't snug, the gate will be subject to metal fatigue from jarring and vibrations.

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Old 11-11-2010, 10:05 PM   #9
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Hey Island: where'd you find a pile of big moss-free rocks like that in Orygun?
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Old 11-12-2010, 05:55 AM   #10
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I've had a 33x12.5 for 2 1/2 years. As indicated the snubbers need to be tight against the tire. With my rim back spacing, I needed to move the snubbers out 1" Hockey pucks behind the snubbers worked perfect. Additionally some people have made a lip for the spare to sit on. I have seen it done adding a plate on the bumber and I have seen a plate mounted on a hitch mount.
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Old 11-12-2010, 06:01 AM   #11
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Just giver, you'll be fine.

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