Complex sentence: Horley returned to Australia in 1983 and continued his career as an engineer and race driver in Group C Touring Cars and drove for the Country Dealer Team in the 2 litre category and competed in the last year of Group C regulations in 1984.
Split into simpler sentences: Horley returned to Australia in 1983 and continued his career as an engineer and race driver in Group C Touring Cars and drove for the Country Dealer Team in the 2 litre category. He also competed in the last year of Group C regulations in 1984.