I am getting ready to plumb the fuel system on my notch. I am using a rear sumped tank with a Holley Blue pump. Does the pump have to be level with the outlets on the tank? I would like to put the pump and filter up higher where it will be out of sight, but I was told that if the pump is higher than the tank outlets I will have trouble getting it to prime. I really don't like the looks of the pump and filter hanging out the bottom.