Originally Posted by TheDon

So I did t pull the lift pump. I suspect it's fine. I added 3 gallons of fuel to the rank since one gallon wasn't enough to really cover the bottom and I think it was sucking air so three it is. I spent 20 minutes trying to prime the system.

Spin on is 100% full of fuel.
clear filter has no air in it
All fuel lines are tightened down
Injector soft lines are new
Fuel supply rubber hose in engine compartment is new

While trying to prime I put. Light on the clear line coming off of the lift pump and I can see fuel moving up but it gets to maybe 3/4 and won't go further or any variation of that but not more than 3/4 of the way up the line.

What gives?

Do I need to put more fuel in the tank so there is adequate pressure behind the lift pump? Could I have a leak somewhere?

That is all