The Roadkill boys find themselves in episode 55 fulfilling one of the most frequent requests from fans, swapping a Cummins. They also brought in Tony and Lucky from Hot Rod Garage to help with the project. In true Roadkill fashion they pick a busted 1991 Cadillac Brougham to receive the diesel heart. After “cutting” the Cummins inline-six and transmission from a Dodge Ram truck they proceed to install and modify the Cadillac in a way only Roadkill can.
Source: Roadkill