This is an original confidential manual written by Chevrolet Engineering staff to train salespeople on the features of the new models. This book describes mechanical and/or styling improvements of vehicles by explaining in detail how vehicles changed in 1966 from the previous year. You will find detailed interior/exterior photos, mechanical drawings, optional equipment, and more. You'll see lists for each model naming available transmissions, engines, and axles. The El Camino gets its own 12-page section, and the G10 van gets 7 pages. Some of the information in this book can't be found anywhere else. Buy now for this hard to find book.