The General Motors LT1 engines might be long-running, but the mills it has adorned are quite different. So which LT1 is which, and what are the differences?

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 ...

After purchasing this rare GMC Sierra Quadrasteer for cheap at auction, it's now getting a big power boost from an unlikely source.

Hot Shot’s Secret launches Tick Fix + Protect, an oil enhancer designed to address lifter tick and valvetrain noise.

Daud Gonzalez is a lifelong car enthusiast and automotive writer with a specialty in modified and race-ready rides. He spends most of his time modifying his cars and ruining them in the process. He is ...

Few engine families go down quite so well in the history books as Chevrolet's iconic LS series. The family consists of powerful small-block V8 engines, and they've been seen in everything from ...

Add Yahoo as a preferred source to see more of our stories on Google. Few engine families go down quite so well in the history books as Chevrolet's iconic LS series. The family consists of powerful ...

What are the most common issues with LS truck engines? This video breaks down the top 10 problems every owner should know about, from oil consumption to lifter failure, and how to fix them. “I’m the ...

When the all-new fifth-generation Chevrolet Corvette had its premiere in 1997, it packed a likewise all-new LS1 V8 engine making 345 horsepower and 350 pound-feet of torque — which was enough to ...

When a vehicle is an appliance, reliability is crucial, and while we've already dealt with the most reliable cars ever made, today we're highlighting the most reliable engines ever made. It's ...

Every General Motors LS engine is special, starting with the LS1, a 5.7-liter Gen III small block V8 which debuted in the 1997 C5 Corvette. In 2008, GM released the 6.2-liter LS3 based on the Gen IV ...