This is what they are saying is happening and I told them it's not possible:
http://www.stevetek.com/Images/Figures/stockFuelSystem.gif
The explantion
"Notice in figure 1 that in this case the fuel pressure sender is in the small diameter restrictive section of the delivery system. Now...
I am debating with a group in a message forum about fueling an engine.
Currently there is a pump running to a filter. The filter has two outlets, one returns fuel through a 60psi regulator then to the tank. The other outlet runs to the front of a car. All lines are 5/16". The fuel rail is...