work ▁than ▁the ▁equivalent ▁Che vy ▁II ▁Nova . ▁ ▁For ▁ 1 9 6 4 ▁and ▁ 1 9 6 5 , ▁the ▁Be aum ont ▁name ▁was ▁moved ▁to ▁a ▁retr im med ▁version ▁of ▁the ▁intermediate ▁Che v ro let ▁Che vel le , ▁when ▁the ▁name ▁C ans o ▁was ▁applied ▁to ▁the ▁top - line ▁compact ▁model , ▁equivalent ▁of ▁the ▁Nova . ▁ ▁Inv ader ▁became ▁the ▁series ▁name ▁for ▁the ▁base ▁model . ▁ ▁Data ▁for ▁the ▁ 1 9 6 6 ▁Ac ad ian ▁were : ▁engines ▁available ▁were ▁six - cy l inder ▁( 1 9 4 ▁c id , ▁ 8 . 5 ▁compression ▁ratio , ▁ 1 2 0   b hp ▁r ated ), ▁V 8 ▁( 2 8 3 ▁c id , ▁ 9 . 2 5 ▁compression ▁ratio , ▁ 1 9 5   b hp ), ▁or ▁the ▁L 7 9 ▁( 3 2 7 ▁c id , ▁ 1 1 . 0 0 ▁compression ▁ratio , ▁ 3 5 0 ▁b hp ▁r ated ), ▁ ▁overall ▁length ▁of ▁ 1 5 . 2 5 ▁feet ▁( 4 . 6 5 ▁m ); ▁overall ▁width ▁of ▁ 5 . 9 4   ft ▁( 1 . 8 1 ▁m ); ▁height ▁of ▁ 4 . 4 8   ft ▁( 1 . 3 7 ▁m ); ▁turning ▁circle ▁of ▁ 3 8 . 4   ft ▁( 1 1 . 7 ▁m ); ▁front ▁track ▁of ▁