GM LS7

Anyone can slap a supercharger on a stock 505-horse LS7 and pick up an extra 200 horsepower. And thanks to the incredible untapped potential of GM’s factory LS7 cylinder heads, gaining huge […]

As the powerplant of choice for the 2006-2013 Corvette Z06 and 2014-2015 Camaro Z/28, GM’s LS7 is a 427-cubic-inch, 500-plus horsepower monster. It was the first production engine to use […]