Assertion: stock car's engine | /r/HasProperty | dropped by september
Facets:
value: out of production
type: OTHER
Source sentences:
text: Though the 440+6 (designating a triple 2-barrel carb setup and 310 bhp (231 kW; 314 PS) was listed in the early 1972 sales literature, it was found in the August 1971 testing that this engine would not meet the new and more stringent 1972 emissions laws, although some early Dodge literature (August 1971 press) stated that this engine was available for 1972, and a few (six is the accepted number) factory installed six-pack Chargers were built, the engine was dropped out of production by September 1971.