 He finished in the top ten 3 times, including 6th position at Indy, with his best finish in 5th position in 1965 at Milwaukee.Rupp opened Rupp Industries in Mansfield, Ohio in the late 1950s.First producing go-karts, Rupp Industries would eventually produce their iconic mini bikes, motorcycles and snowmobiles with unit sales of up to 75,000 minibikes and 35,000 snowmobiles per year respectively.