I googled around for some images of 2 X 2 Webers, and all of them based on an existing 2 X 1 manifold had the entire 77mm X 36mm "window" (output side) of the DGV choked down to the #3 SAE 1-9/16" intake flange, only 2/3 of the Weber throttle area.
Better, but not as good as it could be.
