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  #1  
Old September 1st, 2017, 06:36
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A probably-stupid tire question

I've long wanted to move up from 33 to 35-inch tires. But storing a 35" spare would be a problem for me. I'm running a selectable Ox locker up front and a Detroit Eaton in the rear. What would happen if i ever had to throw on a 33" spare with a set of 35" tires? I'd imagine that putting an odd size tire in front, even as a temporary measure, would cause a problem with steering. But what would be the effect of throwing the odd tire onto the rear with an auto locker? Anyone done it?

Any thoughts, as soon as possible because a deal has come up on some tires, would be much appreciated!
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Old September 1st, 2017, 07:03
denverd1 denverd1 is offline
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Re: A probably-stupid tire question

can't run odd size tires in the back with the auto locker. could put spare on front and make sure you don't engage the locker.

obviously, best bet would be same size tires...
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Old September 1st, 2017, 07:07
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Re: A probably-stupid tire question

Cal was polite enough to PM me and tell me back-channel what a stupid question this was. Lol!

Anyway, thanks. I've got my answer. Gonna pass on the tire upgrade for now.
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Old September 1st, 2017, 09:12
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Re: A probably-stupid tire question

If you modified the rear seat back brackets and shifted the back forward 2-4 inches, you'd have enough room to lay a 35 down in the back and still have a rear seat. Or you could modify the back of the seat by putting a tire sized divot in the middle allowing the tire to slide into the seatback while the tire is flat.
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Old September 1st, 2017, 09:28
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Re: A probably-stupid tire question

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Originally Posted by dan1977p View Post
If you modified the rear seat back brackets and shifted the back forward 2-4 inches, you'd have enough room to lay a 35 down in the back and still have a rear seat. Or you could modify the back of the seat by putting a tire sized divot in the middle allowing the tire to slide into the seatback while the tire is flat.
Hah. Literally what I said in my PM.

One of the locals and old school naxja member had done exactly that.
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Old September 1st, 2017, 09:37
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Re: A probably-stupid tire question

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Hah. Literally what I said in my PM.

One of the locals and old school naxja member had done exactly that.
LOL. I'm just trying to push the projects I wish I would have done on someone else.

Got any pics? I'd like to see how it turned out.
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Old September 1st, 2017, 09:43
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Re: A probably-stupid tire question

I don't, it was like 10-12 years ago.
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Old September 1st, 2017, 10:46
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Re: A probably-stupid tire question

I like the idea of making a cut-out in the back seat to accommodate the bigger tire. I've got my 33x12.5 spare laying flat in the cargo compartment now, with a tray on top to hold ice chests and bins and stuff. I'll add this mod to the bottom of my very, very long to-do list, and will shoot for getting it done and upgrading to 35s before Moab next October.
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Old September 1st, 2017, 10:57
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Re: A probably-stupid tire question

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Originally Posted by dan1977p View Post
If you modified the rear seat back brackets and shifted the back forward 2-4 inches, you'd have enough room to lay a 35 down in the back and still have a rear seat.
I read a write-up on that some time ago, but only the top brackets of the backrest were relocated. That was to accommodate a 31 inch (if I recall correctly) tire mounted upright in the factory spare tire location. Moving just the top of the backrest forward wouldn't make space for a tire laying flat on the deck, and moving the entire seat forward two inches (including the bench and the backrest) would be a major undertaking I would think, requiring way more engineering and fabrication than it could be worth. I'd sooner just remove the back seat altogether and consider the rig forevermore a two-seater. That's my thought anyway.
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Old September 1st, 2017, 11:05
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A probably-stupid tire question

You can fit a 33" tire in the back stock tire location, you just have to remove the step on the ground that help the smaller stock tire and deflate the spare down to 10-15 psi. That was what I did till I got a tire carrier on the bumper.
At about 10 psi you could latch the back seat no problem but anymore and you might want to relocate the larch bracket on the body.
35" you can lay on the ground but it's always easier if the tire is deflated a bit for squishing


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Old September 3rd, 2017, 12:43
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Re: A probably-stupid tire question

35 will fit standing up, that's where mine is temporarily until I finish my rear bumper.

Downside is blocks visibility, and tie down points aren't convenient.
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Old September 3rd, 2017, 16:35
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Re: A probably-stupid tire question

I pulled a vacuum on my 35 and made it square.The back seat still works.
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Old September 3rd, 2017, 22:03
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Re: A probably-stupid tire question

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Originally Posted by denverd1 View Post
can't run odd size tires in the back with the auto locker. could put spare on front and make sure you don't engage the locker.

obviously, best bet would be same size tires...
bad plan.

even in an open dif, the spider gears will fail rather quickly.
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Old September 3rd, 2017, 22:28
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Re: A probably-stupid tire question

A 33" inflated tire will fit in the stock location with a little modification.

Details here.
https://www.flickr.com/photos/lwade/...7623364828871/
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Old September 4th, 2017, 00:05
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Re: A probably-stupid tire question

A 35x12.5 will fit in the back laying down. You dont need to mess with the back seat latch or hinge. Just take a good size hammer and hit the back of the seat in the area of the tire. The backing is thin steel and will dish in with only a few hits. No ugly seat holes no messing around with moving the seat or anything. Its going to feel a little funny for who ever sits in that spot but the tire fits.
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