Common-Rail Injector Tech

When high-pressure common-rail debuted on the LB7 Duramax back in 2001, it changed the way we look at diesels. Ultra-high injection pressure,…

The Maxx: 800-HP Dmax-Swapped H2

The Hummer H1 Humvee has been one of the most capable factory off-road vehicles ever produced, a purpose-built, go-anywhere vehicle that the US Army and Marine Corps have used all over the…

Connecting Rods: How Much Can Your Duramax Handle?

Because torque (i.e. cylinder pressure) is the primary killer of rods and pistons, it’s difficult to directly link a horsepower number to each engine’s weak link. However, as a general rule of…