1977 Chevrolet G30 6.6L V8 VIN: R CARB Naturally Aspirated GAS. 1976 Chevrolet G30 4.1L 6 Cyl VIN: D CARB Naturally Aspirated GAS. 1976 Chevrolet G30 6.6L V8 VIN: U CARB Naturally Aspirated GAS. 1976-1977 Chevrolet G30 5.7L V8 VIN: L CARB Naturally Aspirated GAS.
