If you don't go to some hidden type of delivery system, you might want to look into a Clay Smith mechanical fuel pump which flow a lot of fuel and come with 1/2" ports. Main drawback is that they are a bit of a pain with their clearance issues since the pump body is larger than any Carter. On my small block, I had to modify the water pump inlet to clear the pump. Other than that, it installs like normal. They require a regulator.

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The CS pumps are (generally) cheaper than most any new electric pump. I used one on my new 416, didn't want to deal with wiring the pump, noise etc. The in-tank electric pumps just seem really expensive for what they are.