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Unread 11-21-2011, 07:23 PM   #8901
is Blowin Smoke!
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Join Date: 05-09-11
Location: Granite City, Illinois (Near St. Louis "GO CARDS")
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Once the exhaust is heated up it will draw more air than a drum without a exhaust tube. The same way a charcoal chimney speeds up starting the charcoal. Heat rises.
22.5 WSM, 120 Gallon Offset, Weber Performer, IQ-110, ET-732
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