How to Build High-Performance Chevy LS1/LS6 V-8s

In 1997 Chevrolet did the unthinkable: it re-designed the most popular and most modified engine in American history. The Chevrolet small-block V-8 made its debut in 1955, and with its arrival, Chevrolet instantly leaped to the forefront in the minds of hot rodders and performance enthusiasts alike. While the engine grew in displacement and technology over the next 30 years, its basic design remained unchanged . . . until 1997, when the Generation III LS1/LS6 engine design was introduced. The LS1…