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After market rims

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Old 09-28-2013, 12:32 AM
318dodge 318dodge is offline
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Vehicle: 2013 Ram 1500 Sport
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Default After market rims

Just bought a 2013 Ram 1500 sport 4x4, I put a levelling kit in the front and pocket style bush wacker fender flares.
I am looking to swap out the 20 inch rims for some aftermarket 17 inch rims and 33s.
Does anyone know how to determine the proper offset and backspacing so the new rims and tires stick out 2 inches or so more then stock, so they are flush with fender flares?
I've been told i need a negative offset, but i am not sure how to determine how much offset i need?

Any help would be appreciated.

Thanks in advance.
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Old 02-12-2014, 09:07 PM
Cdaddydodge Cdaddydodge is offline
Join Date: Feb 2012
Vehicle: 2013 Ram 1500 5.7 Crew/Short
Location: Alberta
Posts: 84

Wow no response? How'd you make out?
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Old 02-13-2014, 12:11 PM
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dirtydog dirtydog is offline
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Vehicle: 2008 Ram QC 4x4 BigHorn
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Everything needed is in this thread here:

4th Gen is the same as 3rd Gen.backspacing is nearly identical . difference of 0.05mm on the factory rims. that's half of a millimeter.
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