Wheel size/backspacing question | Ford Explorer Forums - Serious Explorations

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Wheel size/backspacing question

Hi Everyone.

I'm in the market looking for some new wheels, and found the perfect ones. BUT, I am hesitant in the size. I know it's never just bolt on & go.


I found a chart/calculator here that cleared up some doubt, but not sure if my math is right.

I have a 2001 Sport Trac with the Steelies. The 16" wheels If I remember correctly.

What I found is a 20" x 9" wheel, with a +30 MM offset, and a backspace of 6.2"
Blot pattern 4.5"

From what I understand, using this link,
http://marksink.com/tire_wheel_offset/offset.html

the tire will be 10mm Closer to the body, and the outer edge of the tire will stick out over the stock by 40mm. is that correct?
If so, do you foresee any issues using the tire in this dimension?

any input is appreciated.
 






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