Need help with edelbrock 1406 carb

Newbomb Turk said
Exactly. Its the same with a Holley. They are much happier with 4.5-5.5 psi IF the pump has enough volume to feed it.

Pressure is resistance to flow. We need flow.

One thing to think about is what happens to the flow through the needle and seat when the pressure goes up. You aerate the fuel.
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Right. People all too often get caught up with pressure. You can have 2 PSI, but if the volume is there, you got it licked. Conversely, you can have 10 PSI, but without volume, you'll run outta gas goin up a hill.