He raced in the 1998 Indianapolis 500, placing 12th. After his venture into Indycars he returned to sprint cars until he had a very serious crash in 2002 from which he was lucky to escape with his life.
On September 26, 1998, Jack won the USAC Sprint, USAC Midget, USAC Silver Crown, and UMP Modified features at Eldora Speedway. By doing so he became the first and only driver to win all four divisions of racing at the 4-Crown Nationals held at Eldora Speedway in Rossburg, Ohio.
07/28/08 Jack is coach & mentor to Lee Stark, sprint driver, of Brownsburg, IN. When not racing, Jack gets after bass with the same gusto he did on the track! JNC
He is honored with an annual car race called the Jack Hewitt Classic at Waynesfield Raceway Park in Waynesfield, Ohio. The Jack Hewitt Classic has been held in years past at the Kokomo Speedway in Kokomo, Indiana, and also at Attica Raceway Park in Attica, Ohio