▁increase ▁of ▁ 6 6   cc ▁capacity . ▁It ▁too ▁was ▁of ▁an ▁overhead ▁val ve ▁design . ▁The ▁A 1 2 A ▁also ▁uses ▁a ▁different ▁( strong er ) ▁con rod ▁with ▁a ▁larger ▁diameter ▁g ud geon ▁pin . ▁ ▁The ▁A 1 2 A ▁shared ▁a ▁common ▁block ▁and ▁c rank sh aft ▁with ▁the ▁red es igned ▁A 1 2 ▁and ▁A 1 3 ▁engines . ▁ ▁App lications ▁▁ 1 9 7 7 . 1 1 – 1 9 8 0 . 1 1 ▁D ats un ▁Sun ny ▁B 3 1 0 ▁– ▁ ▁at ▁ 6 0 0 0   r pm ▁▁ 1 9 7 9 – 1 9 8 2 ▁" D ats un ▁ 2 1 0 ", ▁USA ▁and ▁Canada ▁version ▁of ▁Sun ny ▁B 3 1 0 . ▁ ▁D ats un ▁Cher ry ▁N 1 0 ▁ ▁A 1 3 ▁( 1 9 7 4 ): ▁the ▁first ▁tall - deck ▁A ▁engine ▁The ▁ 1 9 7 4 ▁A 1 3 ▁is ▁a ▁ 1 . 3 - liter ▁( 1 2 8 8   cc ) ▁engine ▁with ▁ 7 3   mm ▁bore ▁like ▁the ▁A 1 0 ▁and ▁A 1 2 ▁above , ▁but ▁stroke ▁increased ▁to ▁ 7 7   mm , ▁and ▁compression ▁ratio ▁reduced ▁to ▁ 8 . 5 : 1 . ▁This ▁engine ▁features ▁a ▁" t all - block " ▁with ▁a ▁deck ▁height ▁ ▁higher ▁than ▁previous ▁A