See also: valve train

English edit

Etymology edit

valve +‎ train

Noun edit

valvetrain (plural valvetrains)

  1. Alternative spelling of valve train
    • 2007 January 14, Don Sherman, “Making Modern Horsepower the Old-Fashioned Way”, in New York Times[1]:
      To coax their pushrod designs to rev higher without running out of breath, engineers have designed lighter, stiffer, lower-friction valvetrains.