GM's 5.3-liter Vortec doesn't have the LS' performance reputation, but it's a capable small-block V8 all the same, as its horsepower and torque numbers show.

In the early-'90s, GM introduced the Second-Generation LT1 small-block. It featured reverse-flow cooling and an aluminum cylinder head with a new port configuration. In essence, the company created ...

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 ...