The LS3 crate engine has earned a reputation as one of Chevrolet's most trusted and versatile powerplants. Churning out 430 hp at 5,900 rpm, in addition to 425 lb-ft of torque, which arrives at 4,600 ...

The engine crate market is not for the faint-hearted. It's a place where enthusiasm, power, and mechanical complexity all converge to allow car geeks to turn an empty engine bay into something special ...

Chevrolet's LS-series ("luxury sport") is one of the most popular V8 engines ever with literally dozens of different iterations available. Of those, the LS3 is at the top of the desirability heap, ...

Whether it's General Motors, Ford, or Chrysler (now Stellantis), all three of America's big automakers have some serious V8 power in their arsenals these days. And these engines have been used to ...

What is the best bang-for-buck V-8 crate engine you can buy in 2024? The correct answer is Chevy's tried and true swap platform, the “Gen IV” 6.2-liter LS3 V-8 engine. Why the LS3 when there are ...

If your project car has a busted engine, you may be trying to choose between a new crate motor and a rebuild. Here's how to ...

Back in part one of our new GMPP LS3 testing ("Late Crate Update," Oct. '10), we subjected a factory-fresh LS3 crate motor from GM Performance parts to a series of performance upgrades, including a ...

The “Hot One,” as Chevrolet marketed it, the second-generation Bel Air is a sought-after collectible regardless of condition. Rebuilt from the ground up with high-quality parts, this particular ...

Enthusiasts who hold originality in high regard are fully aware that it's extremely hard to keep a decades-old engine running just so. Tuning the carburetor(s) and changing the spark plugs of a ...