In addition to the Service Manual, Chrysler regularly issued Master Tech booklets and films with tips and advice, along with some updates.
Several good ones on brakes.
Master Technician Service Conference - Chrysler's Training for Mechanics
Also its always a good idea to check for Service manual updates and corrections.
Look here under Technical Service Bulletins.
The 1970 Hamtramck Registry Library Page (1965 - 1969)