Hi David, that sure is a possibility. To be honest, it has me stumped. I really want to get to the bottom of WHY these things were there. They certainly are a damn good idea, and there won't be any crushing of the window frame post, that's for sure.
Wow, I didn't know that was reason for the different shaped air vents. I always thought it was a Chev VS Ford thing. Would you believe I used the vent on my truck for the first time, just a couple of days ago. It was real hot, and I thought the flow of fresh air might make things a little cooler. You know, it really didn't! I'm sorry to say I couldn't even notice a difference. Opening up the window, on the other hand, made a hell of a difference. Glad I cut my hair recently!
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Ford CMP, 115" WB,1942 (Under Restoration...still)
Medium sized, half fake, artillery piece project. (The 1/4 Pounder)
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