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 ...

Back in 1955, General Motors gave birth to one of America's most iconic engines, the Chevy small-block V8. Among these, the LS series, also known as the third and fourth generations of small block V8, ...

Every pickup truckbrand has its claims to fame, but when it comes to their engines, only a few ever reach legendary status. These are the ones that quietly outlast trends, hauling and towing their way ...

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 ...

There's a reason why gearheads put both LS (not to be confused with LT) and Vortec engines under the same umbrella of "LS", despite GM originally assigning them different badges. (And in case you're ...