The LS3 crate engine has earned a reputation as one of Chevrolet's most trusted and versatile powerplants. Churning out 430 hp at 5,900 rpm, in addition to 425 lb-ft of torque, which arrives at 4,600 ...

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 ...

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 ...

Whether it's General Motors, Ford, or Chrysler (now Stellantis), all three of America's big automakers have some serious V8 power in their arsenals these days. And these engines have been used to ...

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) ...

General Motors began using LS V8 engines in its muscle car lineup in 1997 with the introduction of the 5.7-liter LS1, the first of its third-generation small block design. That first iteration, used ...