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,…

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…

Crank Windows and 650 HP

A lot of us remember that pivotal moment when a diesel captured our undivided attention for the first time. For Kaden Nelson, that moment occurred at a local truck pull: “Some guys…

Affordable Fueling Modifications: Duramax Upgrades

As with any diesel engine, more air and more fuel means more power. So naturally, the more fuel trucks receive, the better. However, not long ago, the sentiment that more is better…