Compressor: 76-81 Fbd w/ Pontiac 301, 400 & Cam w/SBCThis compressor fits certain 1976 81 Firebird Trans Ams equipped with the Pontiac 400 V8, 1977 81 301 and 301T engines, as well as various Chevrolet engines. It is also compatible with the 1976 81 Camaro and Corvette models listed below. After filling the new A C compressor with oil, position it so the front seal faces downward for 1 to 3 minutes. This allows the seal to be properly coated with oil, helping to prevent refrigerant leaks during