Something else I found. This time on intake manifolds

Always thought the EFI adapter "power elbows" would bias the rear cylinders. just on the way the air would come in and stack up on the rear wall as in the pic with the dark blue spaghetti in the forward ports. When I fashioned my Slant intake, I used the Ford 5.0 "side entry" style where the air goes in and makes the same 180 for all the cylinders, so they are all equally hindered. It was more equalized than the "one ended" option in my mind.