A teardown of a locked-up GM Vortec 350 reveals bent rods, destroyed bearings, a ventilated block, and why these workhorse engines go out with a bang.

As of May 1, American automaker General Motors, which has a manufacturing plant in Tennessee, has recalled nearly 600,000 full-size SUVs and trucks (721,000 globally). This is the largest recall of ...

GM has filed a patent application a variable displacement valvetrain system with rocker shaft porting and insert sleeves for ...

The story behind the legendary LS7 V8, the last big-displacement engine before emissions rules changed the game.

Back in 1955, General Motors gave birth to one of America's most iconic engines, the Chevy small-block V8. Among these, the LS series, also known as the third and fourth generations of small block V8, ...

General Motors introduced the LC9, a 5.3L V8 Vortec engine, in the tenth-generation, four-wheel-drive GMT900-based Chevrolet Suburban and GMC Yukon XL. The LC9 is a member of the Gen IV V8 GM small ...

The 5.3-liter V8 Ecotec3 might seem like the stepchild of the General Motors family, especially with the LS series of engines around, but it's a winner in its own right. This naturally aspirated ...

John Neff is a veteran automotive journalist with over two decades of experience leading major outlets such as Autoblog and Motor1. Beginning his career as Editor-in-Chief of Speed, Style & Sound, he ...

GM's versatile 6.2L LT4 V8 battles Ford's specialized 5.2L Predator and Carnivore engines. We compare the supercharged giants and let you decide the winner.