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...
Forum Discussion
OP, you might want to add some info on what you plan to tow. I towed an 8-9000lb TT with a GM 8.1 gasser back ~15yrs ago. It pulled well (except up steep grades in Rockies) and never passed a gas station without stopping. Pulled 14-17k 5ers the last 10yrs with diesels…no comparison.
