You are absolutely correct. The top edge of the fender tucks under the windshield molding.Weird. I posted a reply too this post two days ago, and it's gone now? Anyway, I forwarded the link to my neighbor Mike, so he could see he's not alone in building a 3rd gen Nova gasser theme car.
Mario, I think the Nova fenders at the rear sit under the window trim slightly, so the builder decided to split them at the rear edge of the hood to avoid interference. The fenders are probably 6" longer than the rear edge of the hood.