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

Having tested endless aftermarket and ported stock LS cylinder heads for our sister titleHot Rod, it seemed odd that the stock stuff was never included. A test of the popular factory cylinder heads ...

When the all-new fifth-generation Chevrolet Corvette had its premiere in 1997, it packed a likewise all-new LS1 V8 engine making 345 horsepower and 350 pound-feet of torque — which was enough to ...

GM's LS engine is a powerhouse, thanks to great-flowing heads that enable tremendous horsepower and high-rpm performance. But while the LS is becoming a more popular swap choice for earlier, pre-C5 ...

Add Yahoo as a preferred source to see more of our stories on Google. Few engine families go down quite so well in the history books as Chevrolet's iconic LS series. The family consists of powerful ...

Will joined the TopSpeed team over two and a half years ago, bringing his lifelong automotive passion, writing experience, and editorial expertise along with him. Whether classic or modern, American ...