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 ...

Every GM aficionado knows that factory engine blocks have practical limits, both in terms of durability as well as displacement. Although production LS1 and related Gen III and IV family engine blocks ...

For those who need a reminder, the ZL-1 was an aluminum version (heads and block) of the Chevy Mark IV big-block. Designed for racing, it appeared on the scene in 1969, displacing 427 ci and making ...

The General Motors small-block Gen III LS1 V-8 has been around since 1997, but many enthusiasts are still learning about its great features. Because of that, whether you are working on a Gen III V-8 ...