Not a A1000 but their SS Pump with a Rick's sumped tank:
Mounted on a straight bracket bent at like 45* angle with bolts through grommits (to dampen pump vibration) mounted to a some aluminium channel that was made into a "T":
All tucked up in between the pumpkin and tank:
The Brackets being powder coated silver:
Also each of side the pump has a short stainless steel flex hose to allow for motion/movement.
Routing of fuel lines:
Even put a fuel cooler right before the carb on the passenger's undercarriage: