Can I use the OEM Dakota fuel pump?

Cool sounds like a cool fun car the OP is building. I know you said you wanted to use the stock efi fuel pump etc.. but just wanted to add that Holley has came out with a drop in efi fuel pump assembly for a fuel cell.
Holley Sniper EFI 19-385 Sniper Fuel Cell EFI Pump Module Assembly-Returnless Style