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Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
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#75261 03/26/2007 3:14 AM | Joined: Mar 2007 Posts: 16 Junior Member | | Junior Member Joined: Mar 2007 Posts: 16 | Its clearly part of the original casting. I can't tell if it ever had anything in it (no visible signs). I just don't understand why you would need another vent hole in addition to the brass tube vent.
-Owen
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