Carburetor scoops do they make a difference?

The early Direct connection hood scoops actually where raised about 1 1/2 inches to the opening because of of what is called boundary layer, so opening of the scoop was in less turbulent air flow. The cowl induction on my dart does have pressure, just open the vents going down the highway, that is what the carb would see. Also some factory scoops took it into consideration, like the six pack scoop UP50121_L_1c2c3b13.JPG air6.jpg