Rims

Ram-engineer · Oct 15, 2016

Okay I know this has been beaten to death but there are so many threads that contradict the others. I have a 2016 ram 2500 6.4 hemi put a rcx front 2.5 level kit on and a 2.5 lift in the rear to keep the rake from factory. I want to know honestly what back space people are running and the size tires with a similar setup. I do not want the rubbing issue at full lock as I still tow with this truck that is why I kept the factory rake.

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Wandell · Oct 15, 2016

The most popular combination is a 35x12.50 tire on a 9 inch wide wheel with 4.5 or 5 inches of backspacing. This gives an aggressive look without sticking out too far or rubbing.

gustheram · Oct 17, 2016

According to Thuren, +18 - +25 offset is ideal for our trucks. Also, backspacing is a terrible way to measure fitment and offset is preferred. See this post for more details: https://www.thurenfabrication.com/tech/tire-and-wheel-fitment.html

Wandell · Oct 17, 2016

I disagree about offset vs. backspacing. For me backspacing is much easier to understand and visualize. Also backspacing is constant and doesn't change with wheel width.

The Hulk · Oct 17, 2016

Should be able to run 20x9 with the +18 to +25 with 35x12.5 and have no issues at all with rub.

6.4 dude · Oct 17, 2016

I went with 20x9 with +18 offset and smittybuilt flares. The set up turned perfect. The flares just barely cover the 35/12.50s....

gustheram · Oct 18, 2016

Wandell said:
I disagree about offset vs. backspacing. For me backspacing is much easier to understand and visualize. Also backspacing is constant and doesn't change with wheel width.

I think you're actually confusing backspacing and offset. Offset keeps a constant tire position regardless of wheel width where backspacing can position the tire drastically different depending on the width of the wheel. It's all broken down in the article I linked. And due to the inconsistencies in wheels, backspacing can be different for wheels with the same width and offset.

Rims

Ram-engineer

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Wandell

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gustheram

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Wandell

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The Hulk

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6.4 dude

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gustheram

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