if the tire is taller you MPG will go down becasue it takes more power
to turn the wheels, and you will be going faster than what your speedo
says your going. This is because the wheel will cover more serface area
as it truns and will make the truck move faster than what the speed-0 is
calibrated to say. If the tires is shorter everything will be the
opisite. You will have more power off the line and better MPG with the
shorter tire. It does not take as much power to turn a short tire so you
will take off faster.
Mallett, Donald B wrote:
>I have 31x10.5x15 tires on my Dak. The question here is.... is the MPG going
>to higher or lower then what is was when the stock tiers were on the truck
>(255/65r15) Would the MPG number be off the same percentage as the speed and
>odometer?
>
>*-------------------------------Y2KOTA-------------------------------*
>Don Mallett
>Y2K QC 4.7L Auto SLT+
>http://www.mallettservices.com/y2kota.html
>http://www.dakota-truck.net/profiles/dakota/QwkvWz@DAJFf6/profile.htm
>*-------------Straight home & no playing in the puddles!-------------*
>
>
>
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