▁tur bo charg ed ▁Por sche ▁ 9 3 6 , ▁driven ▁by ▁I ck x ▁and ▁G ij s ▁Van ▁L enne p , ▁in ▁first ▁place . ▁ ▁After ▁two ▁years ▁with ▁D F V - power ed ▁vehicles ▁failing ▁to ▁run ▁compet itive ▁distances , ▁a ▁D F V - power ed ▁Ron de au ▁was ▁the ▁surprise ▁winner ▁in ▁the ▁ 1 9 8 0 ▁race . ▁Jean ▁Ron de au ▁and ▁Jean - Pierre ▁J aus sa ud ▁n urs ed ▁a ▁two ▁lap ▁lead ▁over ▁the ▁Jack y ▁I ck x / Re in hold ▁Jo est ▁Por sche ▁ 9 0 8 / 8 0 ▁charg ing ▁back ▁from ▁earlier ▁mechanical ▁set back s . ▁Another ▁Ron de au ▁occupied ▁the ▁third ▁spot , ▁nine ▁la ps ▁behind ▁the ▁winner . ▁ ▁In ▁ 1 9 8 1 ▁Ron de au ▁slightly ▁improved ▁on ▁the ▁pace ▁of ▁the ▁previous ▁year , ▁but ▁as ▁in ▁ 1 9 7 6 , ▁D F V - power ed ▁vehicles ▁were ▁again ▁out class ed ▁by ▁a ▁Por sche ▁ 9 3 6 , ▁driven ▁this ▁time ▁by ▁the ▁old ▁Mira ge ▁winning ▁team ▁of ▁I ck x ▁and ▁Bell . ▁ ▁The ▁ 1 9 8 1 ▁distance ▁result , ▁ 3 4 0 ▁la ps , ▁was ▁the ▁best ▁ever ▁achieved ▁with ▁the ▁D F V . ▁ ▁The ▁D F V ▁f aded ▁from ▁relev ance ▁over ▁ 1 9 8 2 - 1 9 8