6lb pump blowing out carb?

toolmanmike said

Double check the float level. Double check the fuel filter. They can pass the finest of rust particles. Take it off and pour the fuel into a bowl to see how dirty it is. I would install a pressure regulator just in case.

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I forgot to mention, I tried adjusting the floats to no avail. I will put new needle and seats in it, then put a steel covered fuel filter.

If I knock the press down to say 4# will I still get the additional flow when needed at top end?