4- Chevrolet C30 One-Ton Dually In 1973, the first ever Chevy double cab pickup truck arrived. It was the Chevrolet C30 One-Ton Dually model. It was designed with stronger lines and an increased ...

Mann has a 1979 Chevy C30 dually, and its SM465 manual transmission didn't agree with a herniated disk in his back. So he grabbed a General Motors 4L80E automatic transmission off his brother's ...