fuel system Questions?
External pump are made to push and not pull fuel. So being low and as close to rear of the tank is a mush. sump the pick up to prevent fuel starvation of the pump.
so, with the basic of the external pump out of the way. what are you running.. EFI or Carb ? how much HP.. these answer will tell you how much flow and pressure the pump will need to be spec'd out to.
You should check out the Tanksinc.com setup which is pertty cheap for a solution to get intank pump setup.





