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Ferrari had replaced the retired Jody Scheckter with Didier Pironi and the team had the new turbocharged 126CK. Team Lotus had lost Mario Andretti to Alfa Romeo and so had hired Nigel Mansell to partner Elio de Angelis and were intending to debut the controversial twin-chassis Lotus 88. Team Ensign struggled on with Marc Surer driving while Emerson Fittipaldi had finally decided to retire as a driver and was replaced by Chico Serra to partner Keke Rosberg at Fittipaldi. Arrows had new sponsorship from Ceramiche Ragno and Beta and was running Riccardo Patrese and newcomer Siegfried Stohr while Osella expanded to two cars for Miguel Angel Guerra and Beppe Gabbiani. ATS continued with one car for Jan Lammers, while Theodore Racing had produced a new chassis for Patrick Tambay and RAM had gone into business with March Engineering and was running two March 811s for Daly and Eliseo Salazar.