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.

A V6 engine is a solid choice because it delivers more power than a four-cylinder without burning as much fuel as a V8. There ...

When General Motors (GM) engines come up, many petrolheads will likely think of the automaker's highly-regarded LS engine. Then there are those with a more old-school bent, some of whom may remember ...

At present, General Motors’ U.S.-market portfolio offers a rather limited number of six-cylinder options. But that hasn’t always been the case – in fact, the change has really only been felt over the ...

While modern turbocharged engines are engineering marvels, given that they can be smaller and lighter than equivalent naturally aspirated units, and all the while being more powerful and efficient, ...