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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Actually Peoria, Arizona. Hills normally to get me out of the valley to anywhere, been over a few big ones in the past, Wolf Creek Pass and can't remember the other one east of Yellowstone,plus a couple more, california through oregon etc, Nevada, utah etc. but with 6.0 and 3:7 3 gas, slow and struggled some but overall did well. thanks
