<page_title> John Leffler </page_title> <section_title> Career results </section_title> <table> <cell> 1975 <col_header> Season </col_header> </cell> <cell> Australian Drivers' Championship <col_header> Championship / Series </col_header> </cell> <cell> 5th <col_header> Position </col_header> </cell> <cell> Bowin P8 Chevrolet <col_header> Car </col_header> </cell> </table>
In 1975, Leffler stepped up to the Australian Drivers' Championship and driving a Bowin P8 Chevrolet finished fifth in the series.