Question: Maynard K. Yingst, was an American racer and crew chief from Linglestown, Pennsylvania, he quit his sprint car racing career to become the crew chief for Bruce Larson's 1989 national championship Funny Car drag racing team, Funny Car is a type of drag racing vehicle and a specific racing class, in organized what?
Sentence (from "Maynard Yingst"): He was nicknamed "The Linglestown Leadfoot".
Relevant evidence: No