[Rob]

Randy,
I don't disagree with what you're saying from a component design/theoretical perspective. However, I will say, I have run the Holley pumps in this manner for years, and have not had a failure yet. And, this is the first application I used the Gucci check valves (I think you too said you were running these Dean.... aren't you). So bleed back and losing prime is less likely.

Dean you may just have a bummer pump..... it happens.

Have you isolated it to the pump yet, and confirmed there is no supply tube issue?