When i go to start my boat it shoots gas back up carb, it is 2300 holly?

Just finished valve job, carb overhaul and gas still shoots out the carb.1996 302 ford motor, withholly 2 barrel carb. Keeps fouling the spark plugs from all the gas. What might cause that are where else should I be looking.

Guessing your float needle isn't sealing? Float is stock up. Tap the float bowl with a hammer. If that doesn't work, take the bowl off and look at the seat.

Stuck needle & seat, too high of float level setting, or excessive fuel pressure which overwhelms the needle & seat.

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