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Dirt Bike Mods & Maintenance
Airbox Volume
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[QUOTE="Jaybird, post: 681745, member: 22283"] Total area of the intake oriface's is the constraining factor. The volume in the box is merely a recieving tank of sorts. You can only get in what air the intake holes outside the box allow. Invision a big air tank....imagine it full of air....there is only one oriface entering the tank....the oriface is 1/4" in diameter.... the only air you can get into the tank is what the 1/4" oriface will allow at any given pressure. The tank can be of any size and you will still get the same amount of air in the tank becasue your restriction is the 1/4" opening. If you block any of the openings and make them less of an opening, then you lose volume. Imagine covering up half the 1/4" opening.....it would allow half the volume at that point. Place anything you want in the big tank, it will still intake the exact same volume empty, or half full of something. Only when you fill the tank enough to make the area inside the tank less than the area of the 1/4" opening will you hamper airflow. Hope I made some sense. [/QUOTE]
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MX, SX & Off-Road Discussions
Dirt Bike Mods & Maintenance
Airbox Volume
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