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

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

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.

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

GM truck loyalists are lining up behind an old-school idea for the next small block V8: bring back thicker oil. After years ...

GM just wiped internal references to a rumored LS6 V8 and 2027 C8 Grand Sport, but leaks, RPO codes and audio clips all point ...

GM owners want thicker oil in the next-gen V8 due to reliability issues regarding thinner oil, which caused problems that led ...

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 ...

A 2025 Chevy Silverado ZR2 owner had the engine die at 2,500 miles. Now, GM wants to swap it for a "remanufactured" engine.

We share the real reason why modern engines are failing in cars from Toyota, GM, Hyundai, Kia, and Nissan.We cover the major ...