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Old 05-20-2011, 09:20 AM   #9 (permalink)
Bill in Houston
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Quote:
Originally Posted by mcrews View Post
why do i feel like we already had this discussion......

12x4=48lbs
4 tires =192lb additional moving mass
almost 8%
Soooo, yeah, just think if the wheels weren't heavier, there could be a noticeable improvement in mpg, maybe. Also, it probably means that this change would not help "city" mileage.
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