This stuff is from the MOPAR race manual I bought in about 1977. It is a collection of individual manuals
B & RB ENGINE
Slant 6 Tips (June '73)
Manual Transmissions (May '74)
273-360 Racing Manual (Oct '75)
426 Hemi Race Manual (Feb '77)
Fuel Economy Tips (June '74)
Front Suspension Race Manual (June '74)
Rear Axles (June '74)
Race Oiling Systems (April '76)
Basics of Blueprinting an Engine (May '72)
Torqueflite Transmission Modifications (May '74)
Colt (March '73)
Ignitions (Oct '75)
Chassis and Drive train
Crankshaft Triggered Ignition System (Oct '75)
Rear Suspension Racing Manual (Aug '74)
Drag Race Roll Cage (Mar '75)
NHRA Stock, Super Stock & Formula Stock Classes (Nov '75)
MOPAR Super Stock Race Car Packages
Racing Carburetion and Manifold calibration (Jan '76)
Stock Eliminator Racing Manual (Sep '76)
**I think this manual was about $15. Each individual bulletin you could order for a dollar.**