Upgrading the fuel tank

I am upgrading the fuel tank in the 71' Dart due to the mechanical pump eating a push rod.
I first tried another push rod but the cam lobe was too damaged, next I tried a Speed master external electric fuel pump that made it to the gas station and back and then died. Not wanting to go that route again I have purchased a Tanks Inc. efi tank. My question is for anyone who has done this conversion, have you had any starvation issues
with the internal electric fuel pump? The tank has a boxed section around the pump and sender area that looks to be around 1 gallon in size. I will be using the regulator that came with the Speed master kit to step down the pressure for the carb along with a return line.
The efi pump and tank have vent lines that will be tied together and vented above the tank.
Any thoughts or issues to look out for?

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