GM 6.6 & 3:73
Looking for actual input, experience not opinions without experience. Anyone that has a GM, 6.6 gas with 373 gears, towing I would like to know your experience with towing power, fuel mileage and ove...
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Towing a fifth wheel, GVWR at 14K. I am just looking at comparisons on what others had from gas to gas, more specifically the change form the 6.0 to the 6.6, gas yes, 4:10 or 3:73, Preferably the 3:73. Just getting some real life info. not opinions. thanks
