The biggest powerplant Pontiac ever made was the commanding 455 ci ... This was so that the engines could run on lower octane ...

There has been no shortage of huge V12 engines over the years, but which lump takes the crown with the largest displacement ever? Massive 12.8-liter displacement from an inline-8 Over four-and-a ...

An curved arrow pointing right. Measuring 18'x12', the GE90X is the largest jet engine ever built. Designed for the upcoming Boeing 777X, GE just turned the engine on for the first time.

The 7.4-liter LSX454 V8 is a modern interpretation of the iconic 454 big block. The engine can be modified to increase its power output. With the single-plane carbureted intake manifold ...