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Fordrevhead

another Tire chart

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Hello guyts,

OK I'm a dummy but zi don't understand what I am looking at on the chart.

 

What is back-space? I understand tire sizes Ok as far as side-wall height

and tread width etc but don't know jack about the back-space.

 

For example the new tires I got are 225/70/14. I know this is a fairly tall

tire from the 70 series, I understand that the 225 is the width and 14 is the rim size.

 

I could use some more education and explanation of the chart.

Does this recommend the size Ford suggests?

 

Thanks - - Print Dad

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Hey that chart is pretty cool.... I think the 235/45/17 fronts 275/40/17 rears in BFG KDs would look real good. An almost neutral stance in height and good back space numbers....

 

PD - some info on backspacing - yes it is important.....

 

https://www.rsracing.com/tech-wheel.html

 

http://www.carcraft.com/techarticles/fitting_tires_wheels/index.html

 

225/70/14 means 225mm wide, 70% of the width is the series or height of the sidewall from ground to rim and 14 is the diameter of wheel.

 

25.4mm per inch....

 

Tire width - 225mm / 25.4 = 8.86"

Sidewall height .70 x 225mm / 25.4 = 6.20"

 

I bet it you add up 6.2"*2 (height of both halves of the sidewall and add the 14" rim you will get your tire height = 26.4" height.

Edited by coz

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