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 ...

Part I in the October 2002 issue began to unravel the mystery of deciphering airflow numbers that are derived from flow bench testing. We addressed the question, "Why test for airflow?" and detailed ...

Make note of it, bigger is better isn't a mantra for the weak-hearted and such is the case when it comes to cylinder head technology. For years, Airflow Research (AFR) has been synonymous with ...

Naturally, air and fuel must be supplied to each cylinder in the correct proportion and at the proper time, but hot rodders have taken to the task of creating additional power by improving airflow ...