Mainstream diesel performance hit a home run when Dodge introduced the Cummins-powered Dodge Ram in 1989. In stock trim, the trucks were reliable yet underpowered, but it wasn’t long before ...

Introduced in 2001, Duramax turbo diesels are up there with the very best from Cummins for the Ram truck brand and Power Stroke for the Ford F-Series line. The 6.6-liter V8 in the Silverado HD and ...

There's one thing that the new 6.4L Power Stroke, 6.7L Cummins, and LMM Duramax engines all have in common-they are forced to breathe through a diesel particulate filter (DPF). This "trap" is actually ...

Theo has dedicated his life to cars. He has studied the only Automotive Journalism course in the world located at Coventry University and describes this passion as a clinical obsession. Give Theo four ...