It was nicknamed the Mystery Motor and the Porcupine. Whatever you call it, the 1963 427 Mark-IIS is so rare that only nine ...

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 ...

Though mechanically similar, the GM LT4 and LT5 6.2-liter engines are radically different when it comes to performance.

If you have learned anything about building engines through the past few years of reading HOT ROD magazine, it's that making one horse-power per cubic inch is harder than most think and requires ...

When starting a project vehicle, there are several considerations to take into account, such as the complexity of the build, costs, and parts availability. Unless you happen to have several thousand ...