When first introduced in 1998 in our beloved Birds, the 346ci LS1 was the proverbial tip of the cubic-inch iceberg. Much like PMD's classic engine that began life as a 287 and evolved to a 455 with ...

As the first of the rectangle-port cylinder heads that subsequently came through the years (i.e. LS3, L92), the LS7 cylinder head still reigns supreme as the best-flowing two-valve production ...

As powerful and efficient as the Corvette's 6.2L LS3 engine is, there's always room for improvement. This unrealized potential is perhaps most evident in the cam timing, which is relatively mild ...

Back in the early 1990s the Gen II LT1 and LT4 engines powered GM's hottest performance cars, but GM read the tea leaves and knew that this platform would not be able to get them where they would ...