At the season-opening Datsun Twin 200 at Ontario Motor Speedway with Simpson finishing in ninth and Krisiloff retiring due to clutch issues. Krisiloff would then leave the team. At the Indianapolis 500 Simpson retired from driving and Formula One driver Clay Regazzoni would first drive the No. 38. The car was then destroyed in a practice crash by Regazzoni. Regazzoni qualified the No. 39 in 29th place but retired from the race with a fuel leak after 25 laps, finishing in 30th place.