-5 was Ford’s code name for the original Mustang development project. Later, that designation was used to identify German versions of the Mustang. Only 531 of these cars were made in 1966. One of those — a GT convertible with just 18,639 miles, a K-code 289-cid V-8 and a four-speed manual gearbox — can now be seen at The Automobile Gallery in Green Bay, Wis. (). According to the Ford T-5 Registry, it’s one of two such cars in the world. The other one survives in the hands of a collector
