The LS series of GM engines have been around since the late '90s and over time have found their way into everything from trucks to Corvettes. Why? Because they are simply some of the best engines ever ...

If you’re a fan of Hennessey’s supercharged power upgrades, but prefer a form factor with a bit more practicality, well, you’re in luck. The Texas-based tuner is now offering the Chevy Silverado H600, ...

A supercharged V8 engine is pushed to its limits on the dyno, revealing astonishing horsepower, massive torque, and pure mechanical aggression. This test showcases the raw power, instant throttle ...

As GM Authority covered previously, GM has been hardening its Global B-based vehicle components with enhanced cybersecurity. However, these efforts also make these components more difficult to modify, ...