Driving Line compares the GM 4.2-liter inline-six-cylinder Vortec 4200 to Toyota's 2JZ engine, one of the most powerful inline-6 engines ever put in a production car. While the production GM 4.2 ...

A lot of people forget or straight up never knew that General Motors built a dual overhead cam inline-six in the 2000s. It’s known by several names: The LL8, Vortec 4200, or more colloquially ...