R-12 was used in 1987 vehicles.
R134a freon......
FREON USED IS R-12
134A FREON IS USED.
The old laser printers used He-Ne laser , and the modern laser printers use infrared laser .
Freon is not used in automobiles any more. Refrigerant is used.
your best bet is 3 qts of gl4(redline mt90) and one qt of gl5(redline 75w90)
R134a
R134a
R134a
R134a
R134A