Diesel truck fans may have heard the legends surrounding the 12-valve Cummins. Found in trucks like Dodge Rams from 1989 to 1998, its fully mechanical fuel system and rugged injectors are celebrated ...

Dunks Performance’s Thorough Rebuild Improves the Power, Longevity, and Fuel Economy of a 12-Valve 5.9L Cummins Diesel First it was a simple oil-cooler failure. A week later, Adam Metter noticed his ...

What Is A Fuel Injector? The fuel injector is a critical component of the modern automobile, responsible for atomizing and injecting fuel into the combustion chamber. A fuel injector is considered the ...

In our first report, we outlined the necessary procedures for “destroking” an ’01 Ford F-250 by replacing its powertrain with a 5.9L Cummins engine and an Allison 1000 six-speed automatic transmission ...