PROJECT OPTIMIZED STOCK (PART 1)

Part 1: Installing Fleece Performance Engineering’s 2nd-Gen Swap Kit Right off the assembly line, the 6.7L Cummins is a beast of an engine. Siamese cylinders, increased bore and stroke over the 5.9L, common-rail injection, and a factory exhaust brake all combine to make it a robust torque monster capable of towing just about anything. Still, … Continue reading PROJECT OPTIMIZED STOCK (PART 1)