Finally, here is a comprehensive handbook that will help you rebuild or modify your A-727 Torqueflite transmission for all applications. The HP Books Torqueflite A-727 Transmission handbook provides step-by-step instructions on how to modify Chrysler's 904 Torqueflite automatic transmission for drag racing, road racing, and circle racing. Topics include the theory of operation, transbrakes/valve bodies, adapters, disassembly, modifications, assembly, adjustments, installation, high-horsepower applications, and torque converters.