In its history, General Motors has put some powerful LS engines under the hood of its most popular models. Here are the top ones and their specs.

Cleetus McFarland's wife got a Check Engine light in the dashboard, so he took it to the shop to fix it. However, there was ...

Two Hellion turbos stoke the Demon 170’s hellfire beyond 1,275 HP—at the wheels! The loud pedal slams to the floor and the ...

Small, ultra-fast, primary and “afterburner” secondary combustion events promise to deliver brake thermal efficiency as high ...

At the HOT ROD How-To section, you’ll learn how to make improvements to your own special hot rod, drawing from the DIY knowledge of the HOT ROD team to learn more about how-to make more power ...

Engines are the heart and soul of the cars we love. America has long produced some of the most iconic engines, especially in ...

The thousands spent on this one were to convert it to RS580 spec, meaning upgrades to the supercharger, intake, exhaust, and software for 580bhp (588hp) and a speed limit. Additionally ...

Ported cylinder heads, a high-flow air induction, a high-flow supercharger, intake and exhaust valves, and many others came from the tuner's shelves. But how fast is Hennessey's Exorcist?