Chevy made waves with its engine designs throughout history. Its small-block 327 proved that size wasn't the only thing that ...

General Motors has spent decades refining overhead-valve V8s while much of the industry pivoted to dual overhead cam designs, ...

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

Discover how the LS1 became a lightweight, swap-friendly V8 icon, from its C5 Corvette debut to HSV power upgrades, and learn ...

GM’s factory skunkworks turned out this Chevy Vega with a well-engineered all-aluminum small-block engine in 1972. It didn’t make it to production, but it inspired a generation of hot-rodders!

Chevy's LT2 engine was given various performance and design upgrades over the LT1, allowing it to make the Corvette into a ...

When it comes to engine family branding, GM has a few different names kicking around. Some of the more notable examples include Duramax, used currently for The General’s diesel engines; Vortec, ...

Peter earned a Bachelor of Archeology and Creative Writing from the University of Alabama and has since joined his love of driving and riding with storytelling. His voice is full of southern ...

Brian is a published author who has been writing professionally for a decade in politics and entertainment, but found his calling covering the automotive industry. His love of cars started at an early ...

Good cylinder heads, like good food, require the right ingredients and a knowledge of how to combine them. Handle them poorly and your Grade A heads could end up like day-old meatloaf. In HOT ROD ...

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