back spacing

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Jul 23, 2011 | 09:46 AM

gonup2

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JK Newbie

Joined: Apr 2007

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From: little rock ar

back spacing

how muck back spacing do i need to run 37 inch tires? looking at some wheel with 4.75 . wanting run 12.50 37 17. on 2009 unlimited rubicon thanks

Jul 23, 2011 | 09:51 AM

gonup2

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JK Newbie

Joined: Apr 2007

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From: little rock ar

and the wheels are 8.75 thanks again

Jul 23, 2011 | 09:52 AM

Battlefrog

JK Junkie

Joined: Jan 2011

Posts: 3,449

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From: Newport news, va

You should be fine, most run 4.25-4.50" of BS. I've got 35's and run 1.5" Spidertrax spacers, so I'm at 3" of BS...

Jul 23, 2011 | 10:13 AM

Battlefrog

JK Junkie

Joined: Jan 2011

Posts: 3,449

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From: Newport news, va

Quote:

Originally Posted by Conagher1851

i think we would need to knwo the width of the tire as well.

for instance, u can run a 33x10.50 with no backspacing

but i run 33x12.50 and needed 4.5" or so.

Think the he wants to run 37x12.50 on 17x8.5 rims...

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