Assertion: truck's transmission | /r/AtLocation | the 454 ss
Facets:
value: for 1991
type: TEMPORAL
Source sentences:
text: For 1991, a four-speed electronic automatic transmission (known as the 4L80E), 25 more horsepower, and even higher torque (405 lbs/ft at 2400 rpm) were added to the 454 SS.