In 2013, a revelation of sorts took place within the Corvette world. General Motors unveiled a “best of both worlds'' type offering, which paired the C6 Corvette, in its convertible form, with an indisputably fearsome powerplant. Beneath the Corvette’s hood, sat a 427 cubic-inch small-block, which carried the LS7 designation.
In the midst of the Z06’s development, engineers knew that something truly remarkable would be needed to best the base Corvette’s 400 horsepower LS2. In its production form, this new small-block V8 came to be known as the LS7. The LS7 was nothing short of all-powerful, featuring a displacement of 427 cubic inches and an output of 505 horsepower.
The Complete History of GM’s LS Small-Block V8 Engines and the Corvettes They Power Since their introduction in the late...
The 2013 Corvette 427 Convertible served double-duty as a commemorative edition model. While it marked the departure of the sixth-generation Corvette. The real selling-point was the powerplant at the heart of the car - a 427-cubic-inch (7.0L) LS7 engine, the same engine used in the C6 Corvette Z06. Rated at 505 horsepower (377kW) and 470lb.-ft of torque (637 Nm), this 427 was the most powerful engine GM had ever installed in a production Corvette convertible to date.
The C6 is truly a track-capable beast that offers incredible power at an affordable price. When developing the sixth-generation Corvette, Chevrolet adopted the mantra, "If it ain't broke, don't fix it." For all intents and purposes, it was an evolution of the C5.