2006 Chevy Duramax/Allison Question?
Recently I read an article in an automotive magazine that stated that the 2006 Duramax/Allison was the best year for the Duramax/Allison? It said that in that year the engine made more horsepower and...
Forum Discussion
I love my LBZ engine in the 2007 GMC Sierra Classic. It averaged 22.0 MPG coming home from Houston, TX when I bought it. I took my first trip pulling my 37 ft Cardinal 5th wheel and I averaged 11.11MPG towing. I followed the suggestion to leave my rig in the Tow/Haul mode at about 62 mph and set the cruise control and let it shift when it wanted to and that seemed to work well in the area where I was towing. It may be a different situation in mountains when I head North in 2 weeks. I am enjoying the extra torque and horsepower that the 2007 has over my 2002 Duramzx.
