Can someone explain to me or maybe show a couple pics of how the cowl vent opens/ closes? It looks like i may be missing some parts so if someone maybe has a picture or diagram of the mechanism that opens and clsoes the cowl vent i would greatly appreciate it!!!

Also, can someone please see how tall their 40, 41, 46 ford truck is please. I want to get it home but have to make sure it FITS first! Thanks everyone!