Will a turbo 400 transmission fit in 1993 Chevy 1500 4x4?
No, a Turbo 400 transmission will not directly fit into a 1993 Chevy 1500 4x4. The 1993 model year used a more modern transmission, likely a 4L60E (automatic) or a manual transmission. The Turbo 400 is a much older design with a different bolt pattern, size, and overall configuration. Significant modifications, including potentially modifying the transmission tunnel and driveshaft, would be required, making it a very impractical swap.