▁of ▁the ▁ 1 9 6 8 ▁model ▁were ▁built ▁in ▁ 2 ▁body ▁styles . ▁There ▁were ▁ 5 1 ▁Sport ▁coup es ▁and ▁ 4 6 4 ▁Hol iday ▁coup es ▁manufact ured . ▁ <0x09> ▁The ▁Hur st / Old s ▁was ▁the ▁only ▁G M ▁intermediate - s ized ▁car ▁to ▁offer ▁an ▁engine ▁larger ▁than ▁▁ ▁thanks ▁to ▁a ▁corpor ate ▁policy ▁at ▁that ▁time ▁which ▁prohib ited ▁the ▁divisions ▁from ▁putting ▁larger ▁engines ▁in ▁cars ▁smaller ▁than ▁full - s ized ▁models ▁other ▁than ▁the ▁Che v ro let ▁Cor v ette . ▁Old sm obile ▁got ▁around ▁the ▁ 4 0 0 ▁cub ic - inch ▁limit ▁by ▁imp lying ▁that ▁the ▁engines ▁were ▁installed ▁by ▁Hur st , ▁not ▁Old s . ▁In ▁fact , ▁the ▁special ▁driv et rain ▁and ▁ram - air ▁package ▁( shared ▁with ▁the ▁W - 3 0 ▁and ▁W - 3 1 ) ▁was ▁installed ▁at ▁the ▁factory . ▁The ▁cars ▁were ▁then ▁taken ▁across ▁town ▁( L ans ing , ▁Michigan ) ▁to ▁Dem mer ▁Engineering ▁where ▁the ▁remainder ▁of ▁the ▁unique ▁Hur st ▁components ▁were ▁added . ▁This ▁included ▁black ▁acc ent ▁paint ▁with ▁hand - app lied ▁white ▁p inst ri pes , ▁real ▁wal nut ▁dash ▁trim , ▁H / O ▁em blem s , ▁and ▁D ual ▁Gate ▁sh if ter ▁and ▁mini - console . ▁▁ 1 9 6 9 ▁ ▁The ▁Hur st / Old s ▁returned ▁for ▁the ▁ 1 9