This subjects the driver to an average acceleration of about 4. Before their run, racers often perform a burnout in order to clean and heat tires. Additionally, the burnout applies a layer of fresh rubber to the track surface, which greatly improves traction during launch. At maximum throttle and RPM, the exhaust gases escaping from a dragster’s open headers produce about —1, pounds-force 4. A sound that intense is not just heard, but also felt as pounding vibrations all over one’s body, leading many [ who? Ear plugs and even earmuffs are often handed out to fans at the entrance of a Top Fuel event. Currently, the most prolific active driver in Top Fuel is Tony Schumacherand the most successful crew chief is Alan Johnson, who was the crew chief for 6 of Schumacher’s championships, the back-to-back titles won by driver Gary Scelzi and was the crew chief for his brother Blaine for his entire professional career. However, this mixture is not mandatory, and less nitrometha...