Joest Racing
Rondeau finished second in the 1984 24 Hours of Le Mans as part of the American Preston Henn's race team, running with John Paul, Jr. in a Porsche 956B. The pair finished two laps behind the Joest Racing Porsche 956B of Henri Pescarolo and Klaus Ludwig, and seven laps clear of the third placed Skoal Bandit 956B of David Hobbs, Philippe Streiff and Sarel van der Merwe.