Johnny Herbert competed using the Stewart SF3 and the Mazda 787B for what activity?
Stewart SF3 The Stewart SF3 was the Formula One car the Stewart Grand Prix team used to compete in the 1999 Formula One season. It was driven by Rubens Barrichello, in his third season with the team, and Johnny Herbert, who joined from Sauber.
Mazda 767 The Mazda 767/767B are prototype racing cars that were built by Mazdaspeed for the 24 Hours of Le Mans running under the IMSA-spec GTP class. The 767 replaced the 757 in 1988, upgrading to a newer and larger 4-rotor "13J" Wankel engine which produced nearly 600 hp .