How to Use and Upgrade to GM Gen III LS-Series Powertrain Control Systems

The photos in this edition are black and white.

Without a doubt, GM's LS Series engines are the hottest thing going right now. Thousands of enthusiasts are either modifying their cars factory equipped with these engines, supported by a robust aftermarket, or converting their vintage muscle cars to run with these efficient and powerful engines. Of course, with technology comes complexity. To get the maximum performance and efficiency out of any modern engine, you have to have a solid underst...