Plot: An abandoned Mach 1 is a dream find! In this episode of Roadkill powered by Dodge, David Freiburger and Mike Finnegan head to Colorado Auto & Parts in Englewood, Colorado, and visit the Corns family—builders of the crazy radial-Cessna-powered 1939 Plymouth truck you’ve seen all over the Internet and in Roadkill magazine. Colorado Auto is a giant you-pull-it yard with heritage back to 1959—with a good stash of vintage cars that have been there for decades