The past few years have seen General Motors (GM) introduce a fresh range of gas-fueled powertrains that deliver plenty of power and reasonable fuel economy. The 2.7-liter turbocharged L3B inline-four ...

A stock-based GM 4.3L V6 shocks the dyno with 1,400 horsepower at 33 PSI, proving this twin-turbo truck engine is far stronger than expected. Twin-turbo 4.3L V6 delivers 1,403 horsepower on the dyno ...

It's not unusual to find an engine that was built by chopping cylinders off of a bigger engine. Jaguar's supercharged V6 used to power the F-Type was created by blanking out a couple cylinders from a ...