i think its the MASS and not the volume of air that matters. so many moles of oxygen and so many moles of gasoline. think abt it. at 4000rpm, we sucking in 2000*engine capacity of air/14.7 cc's of gas per minute. how long do u suppose it'll last? i know my integra did that for 3h straight and took abt 6.5 gallons of gas ... sihao