Quote:
Originally Posted by Snakebit
So if my mechanical pump is putting out 7psi, and I place a regulator, with a bypass set at 3 psi, at the end of my Weber set up, all the carbs will be getting fuel at 3psi??? I would think the first carb would be getting fuel at 7psi???
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No, the regulator will send the excess back to the tank.
The pressure between the pump and the reg as seen by all the carbs SHOULD be what pressure the reg is set at. You could fit the gauge at each carb in turn to prove this.
I wouldn't do a bypass reg setup with a mechanical pump since the pump will always be "pumping" unlike when the mechanical pump "idles" when fuel pressure is up.