The popularity of various engine designs typically fades over time as technological advances provide more power, better fuel economy, or both. Flathead designs gave way to overhead valves, and inline ...

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 ...