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 ...

The engine crate market is not for the faint-hearted. It's a place where enthusiasm, power, and mechanical complexity all converge to allow car geeks to turn an empty engine bay into something special ...

If you're really into working on cars, there will likely come a time when nothing but a replacement engine will do. Whether it's because one has taken the original engine as far as it can go in terms ...

The Chevrolet LS V8 might be one of the most famous engines of all time. Variants of the engine powered virtually every GM muscle car and truck for the last couple of decades. Notably, it's the ...

Starting with an increase in displacement, the LS3 checks in at 6.2 liters (376 ci) versus the previous 6.0L LS2 combination. This comes courtesy of an increase in bore from 4.00 inches (in the LS2) ...