Duramax Diesel 6.6L V8 Turbo Engine

The available Duramax Diesel 6.6L V8 Turbo engine features:

• 365 horsepower @ 3200 rpm
• 660 lb.-ft. of torque @ 1600 rpm
• Class-leading diesel horsepower and overall torque(1)
• B5 biodiesel compatibility
• Glow plugs that warm up quickly — by efficiently converting electricity into heat — which help when starting the truck in low temperatures
• Common rail fuel injection, a direct-injection system, that utilizes advanced electronics and pilot injection to optimize fuel delivery and help reduce emissions and combustion noise

1 Based on 2007 GM Large Pickup segment and latest available competitive information. Excludes other GM vehicles.

• A variable-geometry "smart" turbocharger, located in the valley between the cylinder heads for a compact design, that features computer-controlled turbine vanes and an air-to-air intercooler
• A Diesel Particulate Filter (DPF) that helps meet strict diesel emissions standards
• The oil cooler keeps the oil temperature more consistent over the entire operating range
• Cast-aluminum cylinder heads that feature sintered-steel valve-seat inserts and a four-valve design to help reduce emissions and maximize power