▁third . ▁▁ 2 5 0 ▁L M ▁▁ ▁At ▁the ▁November ▁ 1 9 6 3 ▁Paris ▁Auto ▁Show , ▁Ferr ari ▁introduced ▁the ▁ 2 5 0 ▁L M ▁( Le ▁Mans ). ▁It ▁was ▁developed ▁as ▁a ▁cou pe ▁version ▁of ▁the ▁ 2 5 0 ▁P ▁and ▁was ▁ost ens ibly ▁a ▁new ▁production ▁car ▁intended ▁to ▁meet ▁FI A ▁hom olog ation ▁requirements ▁for ▁the ▁Group ▁ 3 ▁GT ▁class . ▁The ▁intention ▁was ▁for ▁the ▁ 2 5 0 ▁L M ▁to ▁replace ▁the ▁ 2 5 0 ▁G TO ▁as ▁Ferr ari ' s ▁premier ▁GT - class ▁rac er . ▁However , ▁in ▁April ▁ 1 9 6 4 ▁the ▁FI A ▁refused ▁to ▁hom olog ate ▁the ▁model , ▁as ▁Ferr ari ▁had ▁built ▁consider ably ▁fewer ▁than ▁the ▁required ▁ 1 0 0 ▁units . ▁The ▁ 2 5 0 ▁L M ▁thus ▁had ▁to ▁run ▁in ▁the ▁prototype ▁class ▁until ▁it ▁was ▁hom olog ated ▁as ▁a ▁Group ▁ 4 ▁Sports ▁Car ▁for ▁the ▁ 1 9 6 6 ▁season . ▁▁ 3 2 ▁total ▁ 2 5 0 ▁L M ▁ch ass is ▁were ▁built ▁from ▁ 1 9 6 3 ▁to ▁ 1 9 6 5 , ▁with ▁all ▁but ▁the ▁first ▁ch ass is ▁( s / n ▁ 5 1 4 9 , ▁the ▁Paris ▁Auto ▁Show ▁car ▁with ▁a ▁ 2 5 0 ▁P ▁engine ) ▁power ed ▁by ▁ 3 . 3 - lit re ▁