This one's too easy, but maybe not everyone knows.
Considering all the models this site caters to, and considering the specific model years older than 72 (let's say down to 61), name any of these that don't use the split grille theme.
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1966 Strato Chief 2 door, 427 4 speed, 45,000 original miles
1966 Grande Parisienne, 396 1 of 23 factory air cars