Following Porsche's defeat in the 1988 Daytona 24 Hours, Porsche entered a 962C at Le Mans for Mario, Michael and John. They were tremendously competitive in the first half of the race, until the Andretti family's car needed minor repairs before lapsing on to five cylinders, finishing sixth overall. Michael and Mario join Busby Racing for 1989 Daytona 24 Hours, only for their 962 to retire with brakes problems.