 He built a late model for an open rules show that was nicknamed the Franklin Flyer; the car featured large wings and it set the track record at Hales Corners.Prietzel felt that his car was becoming outdated by the early 1990s, so he began tour racing on the asphalt in Mid-American Stock Car Series in 1993.In a 2015 interview in Hot Rod magazine, he quoted as saying "The Mid-Am deal looked like an affordable way to go to a bunch of race tracks and have fun."