 After 4–5 bouts, he changed the camp and fought under the name of "Dieselnoi Sor Vorakulchai" at Sri Ratcha, Chonburi.In 1979, he changed his name again and boxed for the Chor Thanasukarn camp, where he remained for the rest of his career.In 1981, Dieselnoi fought Koapong Sittichuchai and won the Lumpinee Stadium Lightweight (135 lbs) championship title.