doing your return line the way you have laid out, is, IMO overkill.
you simply don't need it.
all you NEED is the return line from your pump to go to either #1 or #2 injector return cap.
and a cross over with a line going back to the tank.
I have done extensive fuel system repairs and modifications.
I am no professional, but I have successfully ran my fuel system without issues.
my tanke on the location of the fuel pump:
pumps are designed differently.
for instance, a faucet diaphragm pump is designed to pull fuel.
I am running a vein pump, a holley black electric fuel pump.
its a pusher, so it needs to be installed as close to the tank as you can.
filters:
this is all personal preference. ive seen them in all kinds of configurations without issues.
before, after pump, sometimes both(like I should be running a water separator before my holley pump, they don't like moisture.)
one thing you do need.
a way to purge the air directly before the IP.
or its going to be hell on ya.
they intended the filter and Schrader valve to be on the engine for this reason. and the filter gives the air a chance to bleed to the top, and then evacuated from the top.
I like to run my filters/sep's on the fender.
sure its not as clean as the frame rail, but I don't want to have to lay down to purge air, or evac water.
mostly personal preference.
now a little bit about my fuel system.
I use steel braided oil/fuel line with AN style fittings through out the truck.
from the tank to the pump, to the filter, to the IP.
and then from the return lines, back to the tank.
return systems are getting to be fancy.
I cant wait to try these out in the picture.
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