When Porsche designs an intake manifold, they do things differently. While most car companies try to increase pressure of air ...

Without question, cylinder-head porting is a science. The act of removing metal from the intake and exhaust ports to increase airflow has been used for decades, and in most cases, a skilled head ...

You don't need us to tell you the LS engine market has the needle almost pegged. But we can tell you that Holley has just helped move more air through all four barrels with a new, LS Gen III, ...

The question of the day seems to involve the difference between the original cathedral-port and modern rectangular-port LS heads. More specifically, which one is better? Were we to compare two sets of ...

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 ...