NEW REVISED 6th Edition: This is it! IQ Learning Systems and the people at Reher-Morrison Racing Engines spent over a year revising, updating and consolidating our Upper and Lower Assembly volumes into one, great book. Don't be mislead by myths and misconceptions. You'll find out what really makes horsepower in a racing engine. It contains the best information and latest technology from Reher-Morrison Racing Engines' expert staff of head porters, machinists and engine assemblers. The book has 392 information-packed pages and contains over 600 detailed photos and graphics that show you the right way to build an engine. We're convinced this is the best "how-to" racing engine book ever written. In fact, it has been chosen as the text by several technical colleges for their Racing and Motorsports Technology programs.