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 1996, Chevrolet added Vortec heads to their 5.0L and 5.7L V-8 engines. This top end makeover also brought a redesigned fuel delivery system known as a Central Sequential Fuel Injection (CSFI) ...