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Old 10-24-2011, 12:38 PM   #279
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Join Date: 09-13-11
Location: Alstead, NH

I see a lot of UDS posts and most of them have 4 holes drilled for ventilation but have 3 of them capped and one with a valve of some sort to control airflow. Why not just make one hole with a valve or do you take the caps off at first to help it get up to temps?
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