[DeTomaso] Has anyone researched hood vent designs?

I'm having a light weight hood made and will modify the leading edge of the front trunk as needed for the vent, but am not sure about the location of the opening, specifically how far back from the nose.  I don't want to give up a lot of trunk. Ken I'm having a light weight hood made and will modify the leading edge of the front trunk as needed for the vent, but am not sure about the location of the opening, specifically how far back from the nose. I don't want to give up a lot of trunk. Ken