Quote:
Originally Posted by whbob
I have 15000 miles on my 2009 F150 with 5.4 and 6-speed. I would think you would be better off with a higher rear end ratio with the extra weight.
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A higher numeric final gear is a lower gear ratio. A 3.73 final drive is a lower ratio than a 3.55. With a 3.73 final gear ratio, the drive shaft turns 3.73 times as the rear tires make 1 rotation.