A complete guide to the history of the LS and Vortec engine brands, the differences between them, and their components. Back in the early 1990s the Gen II LT1 and LT4 engines powered GM's hottest ...

It wasn't that long ago that the words "crate engine" were tainted by an element of shame. What kind of hot rodder buys an engine that's already built? "A true gearhead builds his own engine" was the ...

The 5.7L LS1 V8 engine was produced by General Motors for use in high-performance vehicles such as the Chevrolet Camaro and Corvette, among others. It is part of GM’s Gen III Small Block engine family ...

When GM first introduced the LS series of engines back in the late ’90s, these all-aluminum mills set the Chevy performance world on end, and since then it’s only gotten better. The 346ci LS1 begat ...

The family of LS engines continues to take center stage in the performance market. It is difficult to come up with another platform that responds so well to performance upgrades. Oh sure, additional ...