A 1978 Chevy Turbo 400 transmission uses
Type F automatic transmission fluid. However, it's crucial to check your owner's manual if you have it. While Type F was standard for that era, there might be specific recommendations depending on the exact model and options.
Modern Type F fluids are readily available, but some are formulated to be compatible with other types of automatic transmission fluid. Always double check the fluid's compatibility before adding it to the transmission.
