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Backspacing?

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Old

Jul 9, 2007 | 06:44 PM

#1

CptSD

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Joined: Jan 2007

Posts: 206

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Backspacing?

I want to upsize to an 18 0r 20 in wheel on my truck. I'll be running a 37-12.50 or 13.00 on them. So Im wondering what sort of Backspacing should I have (4.5", 5.0" or

)
Not to make myself sound dumb (too late) But I just dont want anything to rub.

Thanks,

JB

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Old

Jul 26, 2007 | 09:21 PM

#2

amish77

Cargo Master

Joined: Oct 2004

Posts: 2,148

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From: Seneca, SC

Measure from the base of the lugs to the nearest obstruction. Remove 3/4'' and that's your max backspacing.

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Old

Jul 27, 2007 | 03:59 AM

#3

GregsSD

Posting Guru

Joined: Dec 2006

Posts: 1,391

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From: NorCal

4-1/2" backspacing with a 9" or 10" wide rim should be just right.

Only on a 2005 or newer would you want 5-1/2" or 5-3/4".

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