Nissan Skyline GT-R Engine 2.6-liter Inline-6 twin-turbo Horsepower 276 ... rock-solid thanks to a cast iron block, a forged steel crankshaft, and oil injection points underneath the pistons ...

The Toyota 2JZ-GTE is widely regarded as one of the most iconic and well-engineered inline ... iron engine block capable of withstanding vast gobs of power. It also had a forged steel crankshaft ...

First released in 1968, BMW’s M30 inline-6 was so well designed that the manufacturer used the engine for almost three decades. The M30 proved to be a durable and reliable engine, capable of ...

These are simply the inline-6 engines with the highest power output ... the forged steel connecting rods to the heat-treated ...