There are several books on the market for Chevy big and sm blks interchances.
www.amazon.com is a good place to start. example;
Chevrolet Big Block V8 Interchange Manual (Powerpro)
by Tom Currao
Chevrolet Small Block V8 Interchange Manual
by David Lewis
Chevrolet Parts Interchange Manual
by Paul A. Herd
hope this helps.
