A class-action lawsuit against GM over its allegedly faulty L87 engine is set to begin, featuring 11 separate lawsuits ...

General Motors’ Active Fuel Management system has been around long enough to earn both fans and vocal critics, and that split ...

The 5.3 GM engine has a few iron variants and cathedral ports while all 6.2 engine variants are aluminum with rectangular ...

Federal Judge consolidates GM L87 engine lawsuits, setting the stage for a major court battle.

Despite the GM 454 and Pontiac 455 being within a cubic inch of each other, and both being GM brands, the two engines are ...

Nearly 600,000 truck owners learned their vehicles could suffer sudden engine seizure without warning, despite evidence that ...

Austin-Healey 100 BN1 Roadster For Sale With Extensive Modifications GM faced major V8 engine failures due to inadequate ...

It was nicknamed the Mystery Motor and the Porcupine. Whatever you call it, the 1963 427 Mark-IIS is so rare that only nine ...

"It finally happened." Even with 3k-mile oil changes and a DFM disabler, this 2019 Silverado owner's engine is toast at 130k.

A new audio clip has hit the web that apparently captures the new LS6 engine set to power the forthcoming 2027 Corvette Grand ...

GM Authority has been busy serving up several exclusive details on the next-gen GM Small Block V8, but now, we're wondering - ...

Extended shutdowns at key GM sites hint at bigger changes ahead, with one upgrade possibly tied to a next-gen engine ...