Recommended Fluid: Notes
WARNING: This page does not describe the selected car, but rather 17 other vehicles, including the 1985 Pontiac Sunbird, 1985 Pontiac Grand Am, 1985 Pontiac Firebird, 1985 Pontiac Fiero, and 1985 Pontiac 1000. However, it is still accessible from the selected car via links, so may be relevant.
Manual Transmission (except 69.5mm, 70mm & Camaro/Firebird 76mm)
Use SAE 80 W or SAE 90 W multipurpose gear lubricant of API GL-5 quality.