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 ...

Every Corvette generation has beefed up the specs, and one particularly notable step came with the 2008 C6 Corvette and its LS3 engine. The 6.2L V8 produced 430 horsepower and 424 lb-ft of torque ...