GM 6.6 gas
Not much talked about here on the new GM 6.6 engine. Whats the thoughts from people that own one? I may be interested in getting one next year if it has the 10 speed transmission. Wish there was a b...
Forum Discussion
I have over 7000 miles on my 2020 Silverado 3500 6.6 GAS. It is definitely an improvement over my 2016 Silverado 3500 6.0 GAS. It gets a little better fuel mileage and I definitely notice the increased torque on the hills hauling all the camping stuff. Six speeds is plenty for me moving 19000 pounds of stuff. Three speeds used to work for me also in the past. Imagine that!
