With the right parts it's easy to turn a 5.3L Vortec block into a 383-inch 540 hp LS-swap mill.

If you know a few pieces of information, you can turn a Vortech 5.3L block into an LS mill making way over 500 hp and out-displacing an LS3! To prove it we dyno one at Westech Performance.

A lawsuit against GM over alleged excessive consumption of oil by Generation IV 5.3L Vortec 5300 V8 engines used in a range of Chevy and GMC vehicles has been decertified as a class action suit by the ...

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 ...

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 ...

When it comes to GM engines, the Chevy small block and LS motors get most of the love and attention. But there's another Chevy engine deserving of recognition for its legacy in the world of GM trucks.