Reply to "Electric Fuel Pump to Prime carb after car sits for period of time"

DWR46Member

4.5 psi is PLENTY of capacity. Electric pumps like to be mounted as LOW as possible to use the syphon effect to help the fuel flow out of the tank. They are not great at raising fuel on the intake side of the pump. With the pump down low in the car, once it has fuel to the pump, it will keep the syphon as long as fuel is available in the lines and tank. You may have to blow air into the filler neck to start a flow of fuel to the pump on initial installation.

2/2/225:48 AM

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