Hi, all! GM Racing is proud to announce the release of the third edition of the GM Sport Compact Performance Build Book. It has all the latest updates and advances we'€™ve made in our ECOtec Pro-level drag race engines over the last two years, as well as some info on our Drift engine, a sneak preview of our naturally aspirated engine, and lots of helpful specifications for both production and race ECOtec engines. Best of all, you can download this book, FOR FREE, right here on this website!