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Hi Harley,
I think I was confused. I knew that the cowl (two rows of slots) provided air to the cabin but I wondered where the footwell vents got their air from - I guess they get air from the cowl as well based on your answer. Thanks.
So the two 3.5" x 2" (oblong looking) openings on each side of the firewall are water drains - interesting but I wonder if that was a good design or not. So if I take a garden hose and pour water into the cowl, the water will exit through the two ducts in the engine compartment? I am not going to do this, just a question.
Since they are all somewhat interconnected, fumes from the engine compartment can enter the two oblong ducts and conceivably get into the passenger compartment through the cowl I would think unless the air pressure when you're driving prevents this.
As usual, thanks for your help Harley.
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