The TVR Griffith Series 400 is a 2-door coupe sports car produced by Griffith Motor Company in Plainview, New York, between 1964 and 1967, it is the successor to the TVR Griffith 200, featuring improved cooling via a larger radiator with twin electric fans, redesigned rear suspension, and a redesigned rear with better visibility and the round taillights sourced from the Ford Cortina Mark I, the Ford Cortina is a car which was built by who in various guises from 1962 to 1982, and was the United Kingdom's best-selling car of the 1970s?