
well after mucho time messing about i finally the other day got around to fitting my facet fuel pump, all very good but i'm stuck with 1 thing.
on the original ford set up it goes tank to pump, pump to regulator then from the regulator there's 1 line off to the carbs and 1 a return to the
tank, simple.
but running with the facet pump and filter king regulator i have no return line? is it a case i don't need a return line now i'm on a
electric pump or am i going to have to modify more parts to suit?!
thanks in advance for any help given.
If you have a fuel pump intended for carbs you don't need either a regulator or a return line.
it's a facet silvertop pump, but i was told these run at around 7psi and my webers only like around 4psi?
The flter king regulator can be adjusted to give the correct pressure
so no return line required then?
No return needed. Just a regulator for the pump. You should need about 2-3.5psi for webers and plenty of fuel volume!
My set up is just as you have described yours and it works fine so no you don't need one
Ditto I have twin 40s Fuel King and a Pacet pump which stops running when the Fuel king closes. All works nicely, just need to set the carbs up and
fix the exhaust!
Caber
Always amazes me why builders have to complicate fuel systems.
Why buy a high pressure pump in the first place.
the simple answer to the above would be it was cheap 
Main problem with regulators is regulator can only work by shutting off the flow.
Other problem with regulators is they tend not to work in a no flow situation, comming from a marine engineering steam ship background not to trust
pressure regulators was hammered into me.
With a sytem with a proper return line it a different matter.
The presure in a fuel line on a carb engine should be determind by the internal spring fitted to the pump.