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 ...

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 ...

Gone is our old 383ci small-block and in its place is a Chevrolet Performance LS376/525 all-aluminum, fuel-injected crate engine that is probably underrated at 525 hp and 475 lb-ft of torque.

Pontiac gains a new muscle car for 2009 in the form of the G8 GXP. The 2009 Pontiac G8 GXP sport sedan is powered by a 6.2-liter V-8 LS3 engine that produces 402 horsepower. Offered with a six-speed ...