The LS3 and LSA engines are both part of the fourth-generation GM small block family and both have their own benefits and shortcomings. While the LSA is the more powerful engine — producing up ...

Most engines fall into forgotten chapters of history once they are discontinued, but the same is not true for the LS3. It's a ...

The LS3 crate engine is an iteration of the V8 that boasts 430 hp and 425 lb-ft of torque. It’s manufactured by General Motors, and is frequently associated with Chevrolet. As of April 2024 ...

The truck now boasts a 6.2-liter naturally aspirated LS3 V8 GM crate engine, which is paired with a Helley electronic fuel injection system and a custom intake manifold. The power is sent to the ...