1966
Chrysler had visions of several different 273 engines.
* 273/235 HP.........standard performance engine {Valiant, Barracuda, Dart}
* 273/240 HP.........available with Barracuda and Dart GT 'Rally Package' only
* 273/255 HP.........available with the Valiant 'S-66' only
* 273/275 HP.........D Dart, available with the Dart GT only
