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Old 05-09-2019, 11:12 PM   #10
Join Date: May 2010
Location: Sunnyvale, California
Posts: 2,001
That ford tank look problematic for a high pressure pump. The fuel feed is not at the bottom of the tank, it looks like all 4 are above the fuel level inside the tank, so the high pressure pump would have to lift fuel up and out of the tank.

HP pumps are typically not able to self-prime or lift fuel, hence why a 2nd lift pump supplies the high pressure pump with a large volume of fuel.
If you want a simple DIY solution for an early model, coil up a length of fuel hose 2-3 times before it goes into the high pressure pump. This will hold just enough fuel to prevent most starvation since high pressure pumps dont pump a large volume of fuel.
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