Based on the MadElectrical website, I think this will work for me.
12SI, 94 amp, at 3:00 (AC-DELCO # 321-266, Lester #7294-3)
Tell the auto parts counter person that “The alternator is for a 1984 High performance Chevy Camaro, with 5.0L (305G) engine, 94amp alternator
OR
12SI, 78 amp, at 3:00 (AC-DELCO #321-247, Lester #7278-3)
Tell the auto parts counter person that “The alternator is for a 1985 Pontiac Firebird, 5.0L (305H) engine, no air conditioning, H.B.L. only.” (H.B.L. = Heated Back Light–meaning rear window defroster)
