4 , ▁showing ▁just ▁two ▁finish es ▁of ▁over ▁ 3 0 0 ▁la ps ▁from ▁four teen ▁starts ▁at ▁Le ▁Mans . ▁ ▁Australian ▁race ▁driver ▁B ap ▁Rom ano ▁used ▁an ▁ex - F 1 ▁Cos worth ▁D F V ▁engine ▁( former ly ▁used ▁by ▁Mc L aren ) ▁in ▁his ▁Australian ▁designed ▁and ▁built ▁K ad itch a ▁Group ▁A ▁Sports ▁Car ▁through ▁ 1 9 8 3 ▁and ▁ 1 9 8 4 ▁in ▁the ▁Australian ▁Sports ▁Car ▁Championships . ▁After ▁finishing ▁ 6 th ▁in ▁the ▁ 1 9 8 3 ▁AS CC , ▁winning ▁the ▁final ▁round ▁of ▁the ▁series , ▁he ▁would ▁go ▁on ▁to ▁almost ▁domin ate ▁the ▁ 1 9 8 4 ▁championship . ▁The ▁re - named ▁Rom ano ▁W E 8 4 ▁won ▁four ▁of ▁the ▁five ▁r ounds ▁and ▁in ▁all ▁bar ▁heat ▁two ▁of ▁the ▁opening ▁round ▁when ▁the ▁car ▁was ▁a ▁non - st arter ▁due ▁to ▁an ▁accident ▁in ▁the ▁first ▁heat , ▁scored ▁fast est ▁lap ▁while ▁also ▁sitting ▁on ▁pole ▁for ▁each ▁and ▁every ▁round . ▁The ▁D F V ▁in ▁the ▁Rom ano ▁was ▁later ▁replaced ▁in ▁late ▁ 1 9 8 4 ▁by ▁the ▁Cos worth ▁D FL ▁engine . ▁ ▁Use ▁of ▁post - DF V ▁variants ▁ 1 9 8 2 ▁saw ▁the ▁introduction ▁of ▁ 3 . 3 ▁and ▁ 3 . 9 ▁lit re ▁D FL s , ▁end urance ▁racing ▁versions ▁of ▁the ▁D F V , ▁in