Automakers have launched many series of engines meant to offer greater performance or efficiency than their predecessors. Chevy's Vortec line, which includes General Motors' vortex technology, boosted ...

In their later years, Vortec engines have fallen victim to some downsides, like Active Fuel Management, an aggressive thirst for oil, and engine knocking. But back when they were brand-new, these ...

In the late 1990s, General Motors faced a massive engineering crisis. The legendary, iron-block 4.3-liter Vortec V6 –- essentially a small-block Chevy sans two cylinders -– was a bulletproof workhorse ...

Historically, miost of the largest-displacement engines in production today, only one is a six-cylinder. Even then, it's an inline-6 rather than a V6. Historically, most of the largest six-cylinders ...

This engine builder tore down a Vortec 8100 from a 2002 Chevy Avalanche after surprisingly finding it in a scrap yard.