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 ...
Scott Birdsall from Chuckles Garage in Santa Rosa, California, needed more power for his tow rig. Scott’s fun truck is the 1,200-plus horsepower “Ol Smokey” Cummins-powered ’49 Ford, so it seemed a ...