Earlier this year we bolted a cam and headers on a 5.3L Gen III called Little Bro and made 458 hp at a screaming 6,600 rpm. That engine revealed the potential of a lesser-known family of iron-block GM ...

This is a story that many traditional small-block Chevy guys don't want to hear. They think the new Gen III and Gen IV small-block engines from GM are too expensive to build and don't make that much ...

General Motors introduced the third-generation small-block V8 engine, the 5.7-liter LS1, in conjunction with the new C5 Chevrolet Corvette in 1997. That launch marked the beginning of the LS engine ...

The Vortec 6000 doesn't really get the attention it actually deserves. The only engine of the Gen 3 small-block family to feature a cast-iron block is particularly good for high-output applications, ...

If you are new to the LS scene or haven't spent much time online, or at events, or near other LS owners, you might have missed the first or second "big bangs." Originally, the big bang test was ...

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 ...