Tire Size

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#11

05-14-2014 | 12:30 PM

sxrsil3nt

Record Breaker

Joined: Dec 2010

Posts: 1,075

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From: Ontario, Canada

You can fit 33x12.5, but I would recommend 33x10.5 (found on a lot of jeeps).

You may rub at all lock. I know my 31x10.5 will rub when turned right and reversing. Only reverse and while turned right - kinda strange.

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#12

05-14-2014 | 02:21 PM

TheNewbie

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Joined: Feb 2012

Posts: 210

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From: Grand Junction, CO

Quote:

Originally Posted by dodgeramguy85

Tire size should be the same if you are talking 31/10.50 vs 33/10.50 and so on. The side lugs that are different might make it seem like its wider but its really not. You might have different brands that might be slightly different but a 1/4in is the most ive saw in size difference between brands.

I would have to completely disagree for the reasons listed in my previous post. Width and height both play an equal roll in the geometry of fitting larger tires. For every inch that you go taller, the tires will move 1/2" towards the frame at whatever angle the wheel is turned to. And for every inch that you go wider, the tires will move 1/2" closer to the frame width wise. I made this to scale to demonstrate:
Tires.jpg

As you can see, they are both the same width, but the taller one is into the frame and the shorter one clears just fine.

Quote:

Originally Posted by RDuck

I've had 36" that measured 33" and 33" that measured 31. Few tires
are as advertised. Plus sizes change between manufacturers.
Best bet is to actually measure the tires you want.

Exactly. "Advertised" tire size may be far from the truth. I've also seen 31's that measured almost 32" so it can go both ways.

And honestly, to get to the point, a 3" body lift will be perfect for almost any 33" tire. The wider you go the more you'll want to look into wheel spacers or new rims with the correct backspacing.

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