Dirt late model driver Scott Bloomquist and four other drivers filed a $16.5-million lawsuit against World Racing Group and subsidiary UMP DIRTcar Racing, Eldora Speedway and track owner Tony Stewart last week, according to a report by Courthouse News Service. The five drivers – Bloomquist, Jimmy Owens, Gregg Satterlee, Brandon Sheppard and Ricky Thornton Jr. – were disqualified after failing a …