1 1 0 ▁ 1 1 0 0 ▁( from ▁ 1 9 6 7 ▁to ▁ 1 9 7 0 ) ▁with ▁ 1 1 0 8 ▁cc ▁engines , ▁version ▁A 1 1 0 ▁ 1 3 0 0 ▁( from ▁ 1 9 7 1 ▁to ▁ 1 9 7 6 ) ▁with ▁ 1 2 8 9 ▁cc ▁engines , ▁and ▁version ▁A 1 1 0 ▁ 1 4 0 0 ▁( from ▁ 1 9 7 7 ▁to ▁ 1 9 7 8 ) ▁with ▁ 1 3 9 7 ▁cc ▁engines . ▁ ▁In ▁ 1 9 7 4 , ▁the ▁mid - engine ▁L ancia ▁Str atos ▁which ▁was ▁the ▁first ▁car ▁designed ▁specifically ▁for ▁r ally ▁racing , ▁was ▁oper ational ▁and ▁hom olog ated . ▁At ▁the ▁same ▁time ▁it ▁was ▁obvious ▁that ▁the ▁rear - engine ▁A 1 1 0 ▁was ▁near ing ▁the ▁limits ▁of ▁its ▁development ▁potential . ▁The ▁ad option ▁of ▁fuel ▁injection ▁brought ▁no ▁performance ▁increase . ▁On ▁some ▁cars , ▁a ▁DO HC ▁ 1 6 - val ve ▁head ▁was ▁fitted ▁to ▁the ▁engine , ▁but ▁it ▁proved ▁un re li able . ▁Ch ass is ▁modifications , ▁such ▁as ▁the ▁usage ▁of ▁the ▁A 3 1 0 ' s ▁double ▁wish bone ▁rear ▁susp ension , ▁hom olog ated ▁with ▁the ▁A 1 1 0 ▁ 1 6 0 0 SC , ▁also ▁failed ▁to ▁increase ▁performance . ▁On ▁the ▁international ▁stage ▁the ▁Str atos ▁proved