[school boy]

On the tbi to carb, you will need:
hei distributor
sbc intake manifold
fuel regulator bypass
carb
any hardware and gaskets
You can use you in tank pumps with both main and return lines with the regulator bypass, you will just have to modify the ends at the engine. Also have to get a wiring diagram and adjust where the ignition wires come from. The tbi and factory ignition harness is pretty easy to remove with little cutting.