Can a stock fuel pump produce too much pressure?
Redemption.
I used the carburetor from this car:
Along with the fuel pump that I had in the car before:
You know, the one I first thought might put out too much pressure?
Boom. It idles great, runs great and doesn’t flood over.
The problem was not high pressure but bad floats or something in both carburetors that allowed the flooding.
It is odd to have two parts in a row give identical symptoms. I'm going to go all the way through the Holley from this car and hopefully have it all good to go soon.