[2] It was operated under the National Biff-Burger System, their manufacturing company that oversaw the production of materials to be used within the Biff Burger franchise.
Port-a-units serve as the Biff Burger drive-ins that are preassembled and shipped with hundreds of restaurant tools that included This feature of the Biff Burger franchise was designed to maximize profits due its short assembly time (as quick as one week) and easy transportation.
However, business ventures in the direction of casinos resulted in finance imbalances and the Mary Carter Paint company relieved its support of the National Biff-Burger system in 1976.
Another location in Greensboro, North Carolina had closed on May 17, 2021, due to ill health and eventual death of its owner, Ralph Havis.
Until the St. Pete location closed, it was a popular gathering spot for motorcycle and classic car shows.
Friday nights could potentially draw up to 2000 customers to events that involve showcasing hotrods and classic cars.