Roadworthy Rescues season 2 episode 3
Episode title: Gutterball Cutlass
Derek travels to southern Kansas to find a forgotten 1966 Oldsmobile F-85. Teaming up with his brother Sean, the two attempt to convert this wannabe drag racer into a timeless cruiser. But it'll take more than a paint job to make this car street-able, as the guys discover the engine is keeping a horrible secret.
