General Motors might have deleted really quick it’s power figures for the new 6.6-liter Duramax turbodiesel V8, which was posted on its official GM Powertrain website, but it was enough for us to confirm the heavy-duty engine’s output.
GM is debuting its 2017 heavy duty pickups at the Texas Motor Speedway in Fort Worth, and we’ve got the main hints on its future figures. What are they? Exactly what GM sought to swipe from its website. 445 horsepower at 3,000 rpm and 910 lb-ft of torque at 1,600 rpm.