You don't say why you are considering electric fuel pump. Specific problem ?
Mounting electric pump NEAR fuel tank is a must, it can be used in conjunction with mechanical pump. Many use this combo with toggle switch for electric pump, to get carb(s) bowls filled at start up, then shut electric pump off with toggle switch. Mechanical pump then takes over. No regulator needed.
No, fuel pump with vacuum assist is not as good as electric wipers.
Newport supplies many with electric wipers.
Click her and look at their list of applications. No mention of radio interference with electric wiper motor.
http://www.newportwipers.com/car.html