These days, the Duramax namesake is as linked with turbo diesel engines as peanut butter is to jelly. That wasn't always the case, though. In the late '80s and early '90s, GM's Detroit Diesel couldn't ...

Chad Simper lives in Vernal, Utah, but shows up at dyno events and sled pulls all over the western half of the United States. His '05 Chevy 2500HD looks pretty normal until the hood lifts up. That's ...