Thread: random thought on big tires
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Old Wed, May 19th, 2010, 09:44 PM
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Quote:
Originally Posted by ChuckD View Post
I have 3:55s in my F350 and can get 20 mpg. My OD does not shift till 47 mph, if I keep the rpms between 1750-1950 I get my best.
True, but the F350 also has a significantly larger/more powerful motor. I was trying to compare just weight and forgot to tie engine size into the equation.
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