I was wondering if anybody had an experience with a ISB-XT turbo diesel 6.7 liter, 360 hp @ 2600 rpm, 800 ft. lbs torque @ 1800 rpm My main concern is will it be enough pulling a 5600# Avalanche t...
I lived in Clovis for 3.4 years and went to Amarillo at least 50 times and never once saw a hill big enough to worry about. For the passes in my state, being 35-39K combined with a 6.7 is a tall order, but it will pull it. The 3000MH Allison will do just fine but you will be 35mph up most passes in the Colorado, if not a bit slower. Mileage should be decent, 8-9mpg.