Possible Clues:

• Short-lived '50s sedans
• Bombs developed in the 1950s
• Band with the 1961 song 'Rama Lama Ding Dong'
• 1950s Corsairs, e.g
• Old Fords
• Classic cars with 'horsecollar' grilles
• Collectible Ford products
• Ford claimed they were the cars of the future
• They debuted the same year as Impalas
• 1950s autos with 'horse collar' grilles