https://justacarguy.blogspot.com/2015/01/factory-lightweight-1966-d-dart-lo23-50.html?m=1
Just A Car Guy: Factory lightweight 1966 D-Dart, LO23, 50 made, for drag racing and also used in...
Dodge's normally aspired high performance 273 was rated at 235hp. The extra 40hp the D/Dart produced was basic hotrodding. Off the...