Any engine builder will tell you how important cylinder heads are to power and performance, so enthusiasts looking to spruce up their budget Chevy 305 small-block (SBC), or the larger and more popular ...

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 ...

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 ...

General Motors introduced the LC9, a 5.3L V8 Vortec engine, in the tenth-generation, four-wheel-drive GMT900-based Chevrolet Suburban and GMC Yukon XL. The LC9 is a member of the Gen IV V8 GM small ...

Cross-Fire Engine was supposed to be a landmark for GM, but there's a reason it's called the 'Cease-Fire.' See the design ...

In the early-'90s, GM introduced the Second-Generation LT1 small-block. It featured reverse-flow cooling and an aluminum cylinder head with a new port configuration. In essence, the company created ...

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, ...

If we’re being honest, not every home-built project car needs a fire-breathing V-8. Maybe you just need a reliably built, roadworthy V-8 to get you down the highway—fire to be added at a later date.