911 Turbo Cabriolet F6-3299cc 3.3L SOHC Turbo (1987)
Fluid - M/T: Fluid Type Specifications
1981-86..................................................................................................................................................................90W GL-5(Gear Oil, API Service GL-5)
1987-88 Turbo.........................................................................................................................................................................................................90W GL-5
1987-88 Non-Turbo ..........................................................................................................................................................................................75W-90 GL-5
1989-94 All .......................................................................................................................................................................................................75W-90 GL-5