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      02-01-2013, 11:37 AM   #17
BavarianFanatic
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Quote:
Originally Posted by phishhead24 View Post
Those giant fans aren't just there to simulate real driving conditions. They are to COOL the engine that is being hammered through ALL of the rev ranges until they map your system. NEVER get on a dyno without air being forced into your car/motorcycle. Bad things happen!
They actually don't simulate "real driving conditions" at all. They just provide a level of cooling to keep things from overheating too much. It's a somewhat high volume of air (hopefully), but not at high velocity.
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