Since flatheads are popular, Strombergs are going to be pretty pricey right now, especially buying 8 of them. And I've never seen one that didn't leak. You have to limit fuel pressure to 3 psi. Nah, not for me.

There is something I would pursue if I wanted to do what you're trying to do. I'd make my own manifold from mild steel. Start with 2 pieces to bolt to the heads, maybe 3/8" thick and machine the ports openings and bolt holes into them. Then I'd locate 8 motorcycle carbs from a motorcycle boneyard. I'd determine the angle they were mounted at on the mc and mount them on the 460 using straight tubing and bends fabbed together however you have to in order to make the angle correct, like a ram induction manifold on the Chrysler 413's from the 60's. I'd make a shallow fuel tank to mount on the cowl where the rear of the hood meets the firewall. I'd make it maybe 5-6" deep, 3-4" front to rear and the width of the engine bay. Motorcycles didn't use a fuel fump, so this cowl-mounted tank will fill the bowls by gravity. Mount a float in the tank to signal an electric fuel pump when the float drops to a certain level and shut off again when the float reaches the top of the cowl tank. That's how you would fill the cowl tank from the rear-mounted main tank.

Wadda ya think?