The filter should, ideally, always be before the pump no matter what type of pump it is. So, between tank and pump. G On Mon, 22 May 2006 17:05:56 -0700 (PDT) singlecabboy <sealingwaxred@xxxxxxxxxxxxx> wrote: > I run a rotory fuel pump .does it make any difference > if you place the fuel filter between the gas tank and > pump or pump and motor?