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 Camaro LS3 crate engine makes the LS series of engines legit. Up until now, you had to either spend ahoy on the gigabuck LS7, be happy with the iron 6.0L and its weird truck accessory drive, or ...

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 ...

The LS3 V8 did not just become a popular crate motor. It quietly turned into the default answer for enthusiasts who want big power, modern reliability and parts support in one package. From classic ...

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 ...

The GM small block has been the gold standard for quality American V8 engine design for 70 years at this point. GM small block engines have seen 13 U.S. presidents serve office, and has been a pillar ...

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 ...

As powerful and efficient as the Corvette's 6.2L LS3 engine is, there's always room for improvement. This unrealized potential is perhaps most evident in the cam timing, which is relatively mild ...