1993 Chevrolet C1500 WT 5.7L V8 VIN: K TBI Electronic GAS. 1993 Chevrolet C1500 Silverado 5.7L V8 VIN: K TBI Electronic CNG. 1993 Chevrolet C1500 Silverado 7.4L V8 L19 VIN: N TBI Electronic GAS. 1993 Chevrolet C1500 Silverado 4.3L V6 LB4 VIN: Z TBI Electronic GAS.
