<page_title> Hart Racing Engines </page_title> <section_title> Complete Formula One World Championship results </section_title> <table> <cell> 1981 <col_header> Year </col_header> </cell> <cell> Candy Toleman Motorsport <col_header> Entrant </col_header> <row_header> 1981 </row_header> </cell> <cell> Hart 415T 1.5 S4 (t/c) <col_header> Engine </col_header> <row_header> 1981 </row_header> <row_header> Candy Toleman Motorsport </row_header> </cell> </table>
In 1981, Toleman participated in the Formula One, with an four-cylinder Hart 1.5 L turbo engine named the 415T.