It’s no secret that LS engines have exploded in popularity over the past decade, as 4.8-liter, 5.3-liter, 6.0-liter, and 6.2-liter engines are plentiful, cheap, and strong. They also have easy-to-run ...

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