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Unread 04-19-2012, 08:02 PM   #1
LightningFAST
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Easy question regarding tire size.

Hey guys,

Well I am back. I'm sure no one knows who I am but I am back in the Jeep world, excited to say. I sold my YJ a little under a year ago and really have been kicking myself for doing it lately.

I decided to sell my Trailblazer SS (bought after the Lightning was totaled) and come back this time I am in a TJ and love it.

Anyway...

The easy question I have is - the previous owner originally had 33s and downsized to 31x10.5x15 tires on the Jeep now. I want to go at least 33x12.5x15 (would prefer to do 35s actually but not 100% sure yet.)

My question is can I run a 12.5" wide tire on my wheels? They are American Racing 767 Black D Window, it's hard to measure the width of the wheel with the tire on it, but I believe they are 9" wide. I have no idea what the backspace is on them.

I think the width of 9" (if this is correct), is plenty of width for a 12.5" tire, just looking for some backup here.

I apologize for another wheel/tire thread. I have tried to do some searching.



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Unread 04-19-2012, 09:43 PM   #2
tjsooner
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yes plenty wide. I run my 33x12.5x15 on 15x8's. 15x10 and you are more likely to lose a bead wheeling if aired down.
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Unread 04-20-2012, 11:31 AM   #3
LightningFAST
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Cool! Ordered up some 33x12.5x15 Mud Terrain KM/2s this morning! Thanks.
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Unread 04-20-2012, 11:40 AM   #4
tjsooner
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Cool, that is the same tire I run. Try 26-28 psi and they should be good to go. I had a little rubbing so adjusted my steering stops with a washer
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Unread 04-20-2012, 12:21 PM   #5
TheBoogieman
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I ran 35x12.50's on stock 7" wide wheels (with wheel spacers).It's the backspacing of the wheel that matters,not so much the width.
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Unread 04-20-2012, 07:21 PM   #6
Knuckelhead
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Rim width is important to protect the rim and keeping the tire bead seated when aired down...
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