12.5 or 13.5

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Feb 16, 2015 | 12:44 PM

jtlr

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From: Brampton, ON.

12.5 or 13.5

I'm upgrading my 35's time to move to 37's

Have the RK 1.5"(actual2.5) I'm looking at cooper STT in either 37x12.5 or 37x13.5 Currently have KMC addicts with 4.5" back spacing.

Will a 13.5" wide tire work?

Feb 16, 2015 | 12:47 PM

mhockey9090

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Joined: Jun 2013

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From: NA

I believe in order for you to run a 37 inch tire people recommend 3.50 backspacing so wheel spacers or new rims would be something else you should be looking into.

Feb 16, 2015 | 02:01 PM

Rock Krawler Suspension

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Joined: Jul 2008

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From: Albany New York

Quote:

Originally Posted by jtlr

13.5" wide will fit but you will have some rubbing at full turn of the wheel. 12.5" should not see this.

RK

Feb 16, 2015 | 02:08 PM

jtlr

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From: Brampton, ON.

Quote:

Originally Posted by Rock Krawler Suspension

13.5" wide will fit but you will have some rubbing at full turn of the wheel. 12.5" should not see this.

RK

So either shim the steering stops? Or add wheel spacers?

Feb 16, 2015 | 02:27 PM

JKBud

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Joined: Feb 2013

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From: Essex County, NJ

Quote:

Originally Posted by jtlr

So either shim the steering stops? Or add wheel spacers?

A 12.5 will have the same issue..either choice will solve the rubbing issue. Adjusting the steering stops is much cheaper.

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