Would have been built for R12, can be converted to R134a.
1994 Chevy lumina freon type
The oil capacity of a 2000 Chevrolet Cavalier is approximately 4.2 quarts of oil. The recommended oil type for the car is 10 W 30.
Freon is R12. Your 1997 Chevy uses R134 Refrigerant.
Turbo hydo matic 3 or 4 speed depending on the car