BY JASON SANDS
PART 1: THE PLAN
Unless you’ve lived under a rock for the past decade, you’re probably aware that Cummins engines can make some serious power. When we wrapped up Project Hot Rod RV, we had gone from 19s to 15s in the quarter mile, had better fuel economy, and had a truck that could still maintain its reliability. With a few simple fueling modifications we went from about 130 hp at the wheels to around 350 hp, all with a stock turbocharger, stock timing, and a stock transmission with a Goerend valve body. But we wanted more.