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Unread 03-03-2012, 03:11 PM   #1
dkasparaitis
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Spare tire mounting issue

So after about 15 years of driving around with the stock spare tire I decided to put the correct size spare tire (31 X 10.5) on my jeep. I will be using the stock tire carrier but I have reinforced the tailgate and replaced the hinges with new ones.

The problem is the tire barely contacts the top two rubber bumpers and it's even worse on the bottom two. I know I want the tire to be tight on these pumpers to reduce stress on tailgate so im going to make some spacers out of some rubber sheeting I have.

My question is how much compression do you want on the bumpers and should the wheel make contact with the tire carrier when it's all tightened down? Basically, do I want 4 or 5 points on contact?

As an aside, after years of lurking around here for free I have decided to overcome my chronic cheapness and become a full member.
Also, this the first question I have posted on here so it's a pretty big day for me.

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Unread 10-18-2013, 10:27 AM   #2
Jeremy89
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Question, how did you reinforce your tailgate?
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Unread 10-18-2013, 10:58 AM   #3
jbolty
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You just need enough pressure so the tire does not flop around. Have someone look and move it by hand to make sure there is no daylight between the tire and the snubber. If I had to put a number on it I would say squash it about 1/4 inch.


I had a 31" tire on my stock tailgate for a few years with no problem and no damage. But, I was starting clean with no prior damage.
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Unread 10-18-2013, 11:59 AM   #4
bpounds
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Quote:
Originally Posted by dkasparaitis View Post
So after about 15 years of driving around with the stock spare tire I decided to put the correct size spare tire (31 X 10.5) on my jeep. I will be using the stock tire carrier but I have reinforced the tailgate and replaced the hinges with new ones.

The problem is the tire barely contacts the top two rubber bumpers and it's even worse on the bottom two. I know I want the tire to be tight on these pumpers to reduce stress on tailgate so im going to make some spacers out of some rubber sheeting I have.

My question is how much compression do you want on the bumpers and should the wheel make contact with the tire carrier when it's all tightened down? Basically, do I want 4 or 5 points on contact?

As an aside, after years of lurking around here for free I have decided to overcome my chronic cheapness and become a full member.
Also, this the first question I have posted on here so it's a pretty big day for me.
This is interesting to me because I just dealt with the issue myself. I also have 31x10.5 tires. On mine, the bumpers were too tall for that tire and I could barely get the lug nuts started on the hanger studs. I actually tried an aftermarket spacer, but didn't like that. I ended up taking the bumpers off and cutting 1/2" off of each. Now I have nice firm contact with the bumpers, and the wheel is seated firmly against the hanger plate, which I think is ideally what you want.

So my issue was exactly opposite of what you're seeing. On yours, makes me wonder if someone has already cut down the bumpers.
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Unread 10-18-2013, 12:45 PM   #5
jbolty
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Quote:
Originally Posted by bpounds View Post
This is interesting to me because I just dealt with the issue myself. I also have 31x10.5 tires. On mine, the bumpers were too tall for that tire and I could barely get the lug nuts started on the hanger studs. I actually tried an aftermarket spacer, but didn't like that. I ended up taking the bumpers off and cutting 1/2" off of each. Now I have nice firm contact with the bumpers, and the wheel is seated firmly against the hanger plate, which I think is ideally what you want.

So my issue was exactly opposite of what you're seeing. On yours, makes me wonder if someone has already cut down the bumpers.
probably different rim backspacing
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Unread 10-18-2013, 01:24 PM   #6
bpounds
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Originally Posted by jbolty View Post
probably different rim backspacing
Very possible. My wheels are stock '88 Alum.

Just realized, this thread is 1 1/2 years old.
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1988 Wrangler,4.2L I-6, Howell EFI JP-1, 5 Speed Peugeot, Zone 2.5" lift + 1/2" booms, BFG 31 x 10.5, Bestop.
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Unread 10-18-2013, 01:34 PM   #7
Andrews98TJ
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Hey can you fit a yj top on a TJ?
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Unread 10-18-2013, 01:38 PM   #8
Jeremy89
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Yeah I have a tj (2003) and I have the space to mount my 33 inch spare if I lift the 3rd taillight and 1 1/2 inches, I just worry about it warping the tailgate
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