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 ...

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 ...

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, ...

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 ...

A teardown of a locked-up GM L31 5.7-liter Vortec 350 from a ’90s full-size truck reveals bent rods, destroyed bearings, a ventilated block, and exactly why these workhorse small-blocks so often go ...