Education
Sprinzel finished third overall in the inaugural 1958 British Saloon Carolina Championship season driving for his own Team Speedwell in an Austin A35.
Sprinzel finished third overall in the inaugural 1958 British Saloon Carolina Championship season driving for his own Team Speedwell in an Austin A35.
He was renowned for competing in saloon car racing and rallying. He has published three volumes of memoirs: "Sleepless Knights" (1962), "Spritely Years" (1994) and "Lucky John" (2013) and also a tuning manual for Business Service Management cars "Modified Motoring" (1959).
Navigated by future Business Service Management and Ford Competitions Manager Stuart Turner, he won the British Rally Championship in 1959, driving an Austin-Healey Sprite and an Alfa Romeo Giulietta TI. In International events during 1960, he won his class at the 12 Hours of Sebring race and scored 2nd place overall in both the Liège-Rome-Liège and Royal Automobile Club rallies. These successes were all achieved in Austin-Healey Sebring Sprites, a car he was instrumental in developing.