Although Vortec engines fall under the "LS" branding, they aren't actually the exact same as more traditional LS engines made by General Motors.

The debate between LS engine and Vortec engine often centers on branding, performance potential, and platform differences. While both come from General Motors’ small-block lineage, the labels can ...

The history and specs of the VortecMax V8 engine, a powerful GM small-block V8 used in select Cadillac, Chevrolet, and GMC ...

Another of the many lawsuits directed at GM over alleged excessive oil consumption by the GM Generation IV 5.3L V8 Vortec 5300 LC9 gasoline engine has been dismissed, this time by the U.S. District ...

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 ...