This is a reprint of the confidential manual written by Buick Engineering staff to train engineering staff and corporate sales people on the features of the new models. This book describes mechanical and/or styling improvements of cars by explaining in detail how vehicles changed from 1955 - in fact, the books starts out with a 7-page list of features that are new for '56. See drawings of seats along with lists of which colors (just a list, no sample) and fabrics can be applied. Includes AMA specs. Some pages describe specific features, such as the new 4 door hard top body, rear fenders, Roadmaster differentiation from other models, 6 way tilt seat, frame, front suspension, rear axle, differential carrier, rear shock absorbers, exhaust manifolds, steering gear, ornaments, hood hinges, dash and instruments, bumpers (including jacking instructions), and much more. Some of the information in this book can't be found anywhere else. Buy now for this hard to find book.