fuel pump hook up help please!

[willow72]

hey guys i just bought 72 truck it has a 330 hp vortec crate engine in it . it also has a670 holley projection fuel injection kit on it the problem is cant seem to get it to run right its got problems . so i have decided too try a demon carb on it so i want to put a mechanical fuel pump back on it the fuel i bought did not come with any instructions so i dont know which gas line goes where?the pump came from gm performance and is the same kind that comes on the 330 deluxe vortec crate motor so can anybody help me with this gas line hook up problem?