1978 World Sportscar Championship season Tags: Motorsport Season.The 1978 World Sportscar Championship season was the 26th season of FIA World Sportscar Championship motor racing. It featured the 1978 World Championship for Makes which was contested from 4 February to 3 September 1978 over an eight race series. thumbnail series World Sportscar Championship year 1978-01-01T00:00:00+02:00 Learn more... Loading...