Back in part one of our new GMPP LS3 testing ("Late Crate Update," Oct. '10), we subjected a factory-fresh LS3 crate motor from GM Performance parts to a series of performance upgrades, including a ...

This 1980 Pontiac Trans Am combines classic styling with modern performance thanks to a California-legal LS3 crate engine ...

GM's highly-regarded LS3 is one of the company's most celebrated small-block V8 engines. It burst onto the scene in 2008 as the evolution of GM's "Gen IV" LS family and its immediate predecessor, the ...

An LS-swapped Mazda MX-5 Miata combines the agility of a lightweight roadster with the power of a V8. Miatas and LS engines are also famously affordable and reliable, meaning such a build usually ...