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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You drive less than 5,000 miles a year and half of that is towing. I'd get the best setup for towing and take my lumps (however small they may be) while not towing. I recommend the 3.73 ratio.
