The 5.3 GM engine has a few iron variants and cathedral ports while all 6.2 engine variants are aluminum with rectangular ...
Every General Motors LS engine is special, starting with the LS1, a 5.7-liter Gen III small block V8 which debuted in the 1997 C5 Corvette. In 2008, GM released the 6.2-liter LS3 based on the Gen IV ...