▁and ▁Ren ault ▁who ▁were ▁building ▁V 1 0 ▁engines ▁for ▁ 1 9 8 9 ▁and ▁beyond , ▁and ▁Ferr ari ▁who ▁were ▁building ▁what ▁they ▁knew , ▁a ▁V 1 2 ▁( L amb org h ini ▁entered ▁F 1 ▁in ▁ 1 9 8 9 ▁and ▁like ▁Ferr ari , ▁also ▁went ▁down ▁the ▁V 1 2 ▁path ). ▁To ▁counter ▁this , ▁dr astic ▁changes ▁were ▁made ▁for ▁the ▁D FR ▁of ▁ 1 9 8 8 . ▁Although ▁super f icial ly ▁a ▁D F V - design , ▁almost ▁the ▁only ▁feature ▁carried ▁over ▁from ▁previous ▁versions ▁into ▁the ▁D FR ▁was ▁the ▁basic ▁ 9 0 ° ▁V 8 ▁engine ▁architecture . ▁The ▁D FR ▁became ▁available ▁to ▁all ▁customers ▁in ▁ 1 9 8 9 , ▁with ▁the ▁Ben et ton ▁team ▁also ▁using ▁this ▁engine ▁until ▁the ▁ 1 9 8 9 ▁British ▁Grand ▁Prix . ▁The ▁D FR ▁strugg led ▁on ▁until ▁the ▁ 1 9 9 1 ▁season ▁finally ▁being ▁e cli ps ed ▁by ▁the ▁higher ▁rev ving ▁ab ilities ▁of ▁new ▁p neum atic ▁val ve ▁g ear ▁engines ▁such ▁as ▁the ▁H B , ▁and ▁was ▁last ▁used ▁in ▁that ▁year ' s ▁Australian ▁Grand ▁Prix ▁by ▁the ▁Foot work , ▁F ond met al , ▁L arr ous se ▁and ▁Col oni ▁teams , ▁nearly ▁a ▁quarter ▁of ▁a ▁century ▁after ▁the ▁D F V ' s ▁first ▁race . ▁By ▁the ▁time ▁of ▁its ▁dem ise ,