1973 Chevrolet K20 Pickup Engine: 5.7L V8 GAS Naturally Aspirated;EngineVIN: Y; Manual Transmission; without Air Conditioning; Position: Fan, Alternator and Air Pump;. 1973 Chevrolet K20 Pickup Engine: 5.7L V8 LPG Naturally Aspirated;EngineVIN: W; Manual Transmission; without Air Conditioning; Position: Fan, Alternator and Air Pump;.
