▁sib ling , ▁with ▁most ▁users ▁finding ▁in cur able ▁engine ▁v ibr ations ▁and ▁it ▁was ▁out ▁of ▁competition ▁use ▁by ▁ 1 9 8 5 . ▁It ▁was ▁used ▁to ▁power ▁the ▁famous ▁Ford ▁Super van ▁and ▁Super van ▁ 2 ▁prom ot ional ▁projects , ▁as ▁well ▁as ▁the ▁Australian ▁designed ▁and ▁built ▁Rom ano ▁W E 8 4 ▁in ▁the ▁Australian ▁Sports ▁Car ▁Championship , ▁which ▁ran ▁the ▁ 3 . 0 ▁L ▁D F V ▁in ▁the ▁championship ▁before ▁upgrad ing ▁to ▁the ▁ 3 . 9 ▁L ▁D FL ▁for ▁the ▁ 1 9 8 4 ▁World ▁End urance ▁Championship ▁round ▁at ▁the ▁Sand own ▁Race way ▁in ▁Melbourne , ▁where ▁it ▁finished ▁ 1 0 0 ▁la ps ▁behind ▁the ▁class ▁winner . ▁ ▁In ▁August ▁ 1 9 8 2 , ▁a ▁tur bo charg ed ▁version ▁of ▁this ▁engine ▁was ▁tested ▁briefly ▁on ▁the ▁Br ands ▁H atch ▁Circ uit ▁mounted ▁on ▁a ▁Ford ▁C 1 0 0 . ▁ ▁P 8 6 ▁ 7 5 0 cc ▁motor cycle ▁engine ▁In ▁ 1 9 7 3 ▁N orton ▁approached ▁Cos worth ▁to ▁help ▁build ▁a ▁new ▁engine ▁that ▁could ▁be ▁used ▁for ▁both ▁street ▁and ▁racing ▁motor cy cles . ▁The ▁idea ▁was ▁to ▁create ▁a ▁ 7 5 0 cc ▁parallel - t win ▁version ▁of ▁the ▁D F V , ▁with ▁liquid - co ol ing , ▁ 4 - val ve ▁head , ▁dual ▁overhead ▁c ams ▁and ▁flat ▁comb