In 87 it would be r-12, but to get it worked on it would have to be retrofitted to r-134.
R 12 refrigerant.
refrigerant R 134a
You can only use R-134a. Absolutely not R-12
R 134a
You need to use R-134a
R-134A
That would take R-12. although r-12 is very pricey nowadays. R-134a is much cheaper, but if would need a full retrofit
Most vehicles made before 1994 use R-12 refrigerant.
R-134a
R-134a
r-134a