While some owners report 2026 GMC Sierra issues, Scott Graves found a win. After 1,700 miles and a Range module install to kill the "stupid" auto-stop, his 5.3L engine is delivering surprising highway ...

One GM driver just cracked the code on the 5.3L V8’s thirst for lubricant. By bypassing factory fuel-management tech and ...

Chevrolet vehicles can be hit-or-miss with their design problems. This has led to a number of models sporting problematic engines that you should avoid.

While the 5.3L LS4 V8 was the first car engine to feature Active Fuel Management (cylinder deactivation) technology, it was not Flex Fuel capable and did not have variable valve timing. As mentioned, ...

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 ...

Troubleshooting oil pressure problems on a 5.3L Chevy Suburban. Follow the diagnostic process to uncover the possible causes, ...

A lawsuit against GM that alleges excessive engine oil consumption in the automaker’s 5.3L V8 engine has been allowed to continue in an Oklahoma federal court after the judge overseeing the lawsuit ...

The problem with a cam swap, like anything else we want to do with our car, is the expense. While the installation of a typical aftermarket cam is money well spent, and represents one heck of a ...

This is the age of horsepower. Power masters build giant-cube big-blocks and play with exotic CNC-machined billet blocks with custom bore centers, tomato-can-sized bores, and yard-length strokes. But ...

Engine Mastersreturns with one of the age-old debates in the hot rodding world: should you run electronic fuel-injection or a carburetor on your V8? David Freiburger, Steve Dulcich, and Westech ...

A GM 5.3L V8 Vortec oil consumption class-action lawsuit has been settled with lawyers cashing in with a big pay day. The lawsuit was filed 8 years ago according to CarComplaints.com and was settled ...

This is the age of horsepower. Power masters build giant-cube big-blocks and play with exotic CNC-machined billet blocks with custom bore centers, tomato-can-sized bores, and yard-length strokes. But ...