1973 Pontiac Catalina Engine: 5.7L V8 GAS;Power Steering; With A.C.; U.S.; Position: Air Pump;. 1973 Pontiac Catalina Engine: 6.6L V8 GAS;Power Steering; With A.C.; Position: Air Pump;. 1973 Pontiac Catalina Engine: 7.5L V8 GAS;Power Steering; With A.C.; Position: Air Pump;.