Brian Hays of Ridgecrest, California, purchased this ’84 GMC Jimmy from a used car dealership in southeastern Washington in 2008. And it was very used. The rig had 300,000 miles on it and the 6.2L ...

When it comes to engine rebuilding, some powerplants are better candidates than others. Take the Cummins 6BT 5.9-liter 6BT diesel engine for example. From humble, reliable workhorse to powerful ...

A look at a 1988 Ford Ranger upgraded with a 4BT Cummins diesel engine swap. The project explores the installation, engineering choices, and performance changes behind combining a compact truck with a ...

Given the reemerging popularity of diesel engines at the OE level, it’s no surprise that the aftermarket has jumped back on the diesel bandwagon, and rightly so. Today’s direct-injection turbocharged ...