You've likely heard of plenty of Chevrolet engines known as "LS" in one form or another. But is there actually any deeper meaning to those letters?

You swap an engine when you want more power, and the GM LS range of engines is, with the Honda K-engines, the logical choice to achieve this. The LS engines are a range of small-block V8s made from ...

Although Vortec engines fall under the "LS" branding, they aren't actually the exact same as more traditional LS engines made by General Motors.