A teardown of a locked-up GM Vortec 350 reveals bent rods, destroyed bearings, a ventilated block, and why these workhorse engines go out with a bang.

A motion GM filed to compel arbitration in an Ohio lawsuit over allegedly excessive oil consumption and defective piston rings in the Generation IV 5.3L Vortec V8 engine has been denied by the judge ...

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 ...

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 ...

Chevy has employed a number of engine series over the years, each intended to improve on its predecessors. What does its ...

Chevy's Vortec 8100 — AKA the L18, AKA the Vortec 8.1 — was the last of The General's big block V8s, a line of engines that traced its lineage clear back to the fire-breathing muscle cars of the '60s ...

With 50-plus years of development behind them, big displacement engines like General Motors' 8.1-liter Vortec V8 and Dodge's 8.0-liter Magnum V10 were two of the largest engines ever placed in ...