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 ...

If the "Ultimate Guide to Cylinder Heads" article showed us anything, it demon-strated that power production is a function of many things. In the case of cylinder heads, it's obviously linked to ...

One of the big three, cylinder heads are a critical ingredient in any performance build. Working with the cam profile and intake manifold, the cylinder heads help determine not only the peak power ...

It’s the suburbanista’s weekend nightmare: you’re almost done with the weekly chores, taking the last few passes with the lawn mower, when you hear a pop and bang. The cylinder head on your mower just ...