A fan service episode pits Porsche engineering against Ferrari engineering through the lens of Le Mans. How did two completely different approaches to car design result in strings of wins and losses at Le Mans? Who did it better, Porsche or Ferrari?

In a rarely told story, car crime helped finance and provide cover for the Manson family and their hidden compound. This on-location episode takes Tim and Michael seeking the Manson family's cars, stashed to this day in those remote mountain hills.