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 ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. In their later years, Vortec engines have fallen victim to some downsides, like Active Fuel Management, an aggressive thirst for ...

A complete guide to the history of the LS and Vortec engine brands, the differences between them, and their components. Back in the early 1990s the Gen II LT1 and LT4 engines powered GM's hottest ...

With the introduction of the '07 GMT900 trucks, you can get a 2500HD or 3500HD with an all-new body and interior wrapped around a cleaner and more powerful version of the famous Duramax diesel or a ...

Of course, wrestling a complete truck engine around the garage when you're trying to test-fit a modified bellhousing is a nightmare, so Rich found this cheap Vortec 4200 bare block. Mockups of engine ...

Add Yahoo as a preferred source to see more of our stories on Google. There's a reason why gearheads put both LS (not to be confused with LT) and Vortec engines under the same umbrella of "LS", ...