To celebrate HOT ROD's 75th anniversary, we teamed up with CASTROL GTX to bring you some of the stories that exemplify the core of what HOT ROD is and reflect the brand's influence on America's car ...

The LS engine left factory production years ago, yet it still defines modern hot rodding and the engine-swap world. “LS-swap the world!” It sounds like a joke until you realize how many people take it ...

The General Motors 5.7 LS1 engine was a naturally aspirated small-block V8 engine with two valves per cylinder and the traditional pushrod valve gear and two valves per cylinder, a layout that has ...

There's no single reason why the LS V8 engine is so special. Instead, it's a combination of many things: LS engines are easily modifiable and have a reputation for reliability, making them excellent ...

Over the years, General Motors has employed several eight-cylinder engine designs ranging from the inline "Straight-8" to the current LT1 V8. However, many agree that the small-block LS engines were ...