3.55 or Other Gear Ratio for F150
I have towed my Springdale 28 ft travel trailer (around 7000# loaded) for the past ten years with a 2004 Ram 1500 Quad Cab 4WD with a 3.92 axle ratio (tow rating was 8700# for the truck as equipped in...
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Honestly. According to the engineers at the gear factory where I work. There is only 100 RPM difference between the 3.55, and 3.73 at 60 MPH, And 100 RPM will not be that big of a difference in power.
