Close 1988 Chevy Silverado 4x4 C30-k30-r30-v30 Dually-fuel Injected-4x4-a/c-heat Car photos: Car details: Up for auction is a 1988 Chevrolet Silverado V30 4x4 dually single cab truck. This truck is just like the C30 and K30 trucks from 1973-1987 but this year model wa...