[MOTORHEAD]

Thought I would update this thread with a little new info; the mechanical fuel pump Will pull fuel through the electric pump with the electric pump shut off. Drove the car around town, and all was well. Then I was driving on the hiway, about 70 mph, and the engine started to cut out ! I though " uh-oh, what now !, but then I remembered the elect. pump, turned it on, and all was well again ! So the electric pump does restrict the flow when it's not running, in my case at about 70mph, your results may vary.
Also, it's very handy to use to set the fuel bowl levels without having to run the engine .-