Modified the stock tank. Removed the intank pump, converted to fuel gauge sending unit/vent only. Then drilled eight 2.5" holes for the Competition Engineering sump with two -10AN fittings,(one of thses will be used as a return for fuel injection on stage 3)reduced to -8 braided stainless line all the way to the carb.Mallory 140 pump and filter mounts here but not in picture.