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 ...

For 2016, the new LSA engine brings maximum power up from 431PS for the outgoing LS3 V8 to 536PS, and an increase in torque from 570Nm to 671Nm. First seen in the current VXR8 GTS launched last ...