The art of creating great cylinder heads includes many different things, but a large portion of it comes from lots of time spent with a grinder in hand and in front of a flow bench, determining just ...

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 ...

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 ...

Are the stock heads really that bad? No. In Ford's defense, the factory 5.0L (E7TE) heads were never designed to support 400 hp (or more), but it's amazing what the proper heads can do to wake up a ...

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 ...