Part-time racer and chicken farmer Carroll Shelby ordered a chassis from AC Cars in England in 1961, and asked them to install a Ford V8 engine in it. The AC Ace was fitted with the same rear diff as that used in the Jaguar E-type, and so when the car arrived in the Shelby workshop, it proved easy to modify thanks to the simple AC layout.
Glen Smale is a writer on automotive subjects. His books for Haynes include Porsche 917: The complete photographic history, Porsche at Le Mans, Jaguar E-type: Portrait of a Design Icon, (for which he received the Laurin and Klement ‘Design Writer of the Year’ award in 2007) and Porsche 956/962: A photographic history. He lives in Carmarthenshire.