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 ...
We're all familiar with the role injectors and turbochargers play in increasing a diesel engine's horsepower. However, when camshafts and cylinder heads are thrown in the mix, the familiarity isn't ...