Ask any professional racer or engine builder and you'll hear that cylinder-head airflow is the most important factor in achieving the greatest peak horsepower from any engine. For years Pontiac racers ...

At Circle Track, we're all about helping you do more for yourself. But sometimes that's just not realistic. That's not casting doubts on the intelligence of our readership. Just like your mom, we ...

We are all too familiar with the shortcomings of the Ford 6.0L Power Stroke engine. We talk all the time about its EGR and oil-cooler failures. However, one of the powerplant's lesser-known issues is ...