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 ...

Gilbert Smith is an automotive journalist with over five years of specialized research and writing experience. Before joining CarBuzz in 2024, he produced in-depth buyer’s guides and feature articles ...

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 ...

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 ...

Some engines just won't go away. Back in the May '11 issue, we brought you the first part of our budget-built 400 small block Chevy. The idea was to bolt a set of iron Vortec heads on a junkyard 400 ...

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 ...

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, ...

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 ...