The Chevrolet TrailBlazer is a mid-size SUV produced by the Chevrolet division of American automaker General Motors. It was introduced in 1999 as an upscale trim line of the Blazer. The TrailBlazer won the North American Truck of the Year award in 2002. The 4.2L I6 Atlas LL8 won Ward's Best Engine from 2002-2004 with innovative features such as DOHC, Variable Valve Timing (VVT) on the exhaust camshaft, and GM's Patented "Lost-Foam" casting process.
by Lisa Lamkin June 11, 2008