At an RT66 Test N Tune event in 2015, Rich Kent’s E85-fueled 1962 Mercury Comet did something a brand-new 707-horsepower Dodge Challenger Hellcat never expected: it beat it clean off the line. The video’s own description reveals the Hellcat had run nearly three seconds quicker just a week earlier, turning a simple grudge race into a years-long argument about driving versus horsepower. Watch to see the run that started the controversy.