General Motors is discovering that in the modern auto business, a recall is rarely just a technical fix. It is a financial ...

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

A class action lawsuit filed against GM over alleged faulty lifters in certain V8 engines has still not received class action ...

Benz's OM617 to GM's Vortec 3500 and 3700, these are some of the most powerful, durable, and fastest inline-5 engines ever ...

This video follows Project Frankfurt as we inspect the engine of a BMW E92 M3 to determine whether it can be repaired. We examine symptoms, check key components, and explain the diagnostic process ...

Raw horsepower has always been part of Chevrolet’s identity. From smoky drag strips to weekend garage builds, Chevy crate engines give builders a shortcut to serious power without guesswork. These ...

General Motors is offering free internet connectivity for audio streaming in some new cars. The perk is now part of the automaker’s OnStar Basics connectivity bundle. The Apple Music app is also ...

As GM Authority has covered for quite some time now, GM is set to launch a new variant of the mid-engine C8 that will dust off the Corvette Grand Sport nameplate and fill the gap between the C8 ...

What's the biggest difference between General Motors' 5.3-liter and 6.2-liter V8s? 0.9 liters. Goodnight! Alright, 5.3s and 6.2s contrast more than that, and quite a bit, too. There's plenty to ...