I used 1"x10" blackplastic vents in top dash of my speedie. They came from the junk yard years ago. Went to install snaps for tonneau cover and discovered that they are exactly where I need to install base for snaps! Argh, cover area where like 6 would go. I'd like to glass over and install 2 or 3 smaller vents. What did others use? Eventually I'd like to use PVC pipe and hook to feeble heating system.
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