General Motors introduced the 5.3-liter Vortec V8 back in 1999 and kept it in production for 15 years. Over that time, it became one of the most popular small-block engines in GM's lineup, offering ...

The popularity of various engine designs typically fades over time as technological advances provide more power, better fuel economy, or both. Flathead designs gave way to overhead valves, and inline ...

A complete guide to the history of the LS and Vortec engine brands, the differences between them, and their components. Back in the early 1990s the Gen II LT1 and LT4 engines powered GM's hottest ...

In general, the General Motors Vortec 5.3-liter V8 is a powerful, dependable engine. If you're not familiar with General Motors' Vortec engines, they are a family of small-block V8s that GM put into ...

With the launch of Chevy's small-block V8 in 1955, General Motors introduced an engine family that would make its way into millions of vehicles across the world. It was especially known as a mainstay ...

More than 1 hp per cubic inch. Mention that phrase to Chevrolet enthusiasts and you’ll probably hear about early Z/28 engines, fuel-injected 327s, and a few big-blocks. But Chevrolet has a completely ...

Automakers have launched many series of engines meant to offer greater performance or efficiency than their predecessors. Chevy's Vortec line, which includes General Motors' vortex technology, boosted ...

Call it new tech by old NASCAR guys, conceived and executed by the long-time Winston Cup hands at Blue Thunder Racing Engines, chief among them, engine builder Harold Grady. About a month before ...