It's fitting that during the 50th anniversary year of the small-block Chevy, arguably its two greatest variations have been released. First, the 400hp 6.0L LS2 arrived for the '05 model year in the ...

General Motors' new LS2 small-block, which debuted in '05 Corvettes, GTOs, and selected SSR pickups, is something of an odd breed. Dubbed a Gen IV, the biggest physical differences between it and its ...

We initially tossed the idea of comparing a stock LS1 with a conventional small-block 350, but after questioning the angle we later realized, what's the fun in that? And dare we say, it's already been ...

With more than 2,000 horsepower put to the pavement, Mark Koehler's drag radial Trans Am blew through the 2010 racing season with a best e.t. of 7.50 at 194 mph. The combination that generated that ...

There's no shortage of canon behind the GM LS series of V-8s. When the LS1 debuted in the fifth-generation Chevy Corvette in 1997, it quickly proved itself as a sturdy, compact, and power-rich engine.

Released in the 2005 model year, the LS2 V8 is part of the fourth generation of GM's small-block architecture, building on a lineage started in 1955. While the LS2 retained a few main characteristics ...