When the ’08 Ford Super Duty debuted with common-rail injection and compound turbochargers under the hood, it was a true gift from the manufacturer. A short while after its release, it wasn’t uncommon ...

Engineering an effective twin-turbo kit for a late-model diesel engine requires exceptional forethought and serious metal-fabrication skills. In our Dec. '09 article "The Duramini" we told you about ...

You've been feeding your Cummins more air with that cold air intake, letting it breathe out easier with the turbo-back exhaust, and maybe even gone full compound turbo crazy. But now your engine is ...