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Old 11-26-2012, 05:18 PM   #1518
Joined: Jun 2009
Oddometer: 40
Air box vents

This really confuses me, the necessity to open up the air box. I have a 2011 Ford F150 with a 5.0 liter V8. The engine breathes thru a tiny 3 inch plastic pipe. If that motor could run fine with such a small opening, why would a 250 cc engine need almost as much air flow?

Maybe I am missing something.
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