What if I returned all the fuel to the smaller non inverted tank and burned from that one first. When empty I could switch to the main 20 gallon tank with the return still going to the smaller tank. If needed I could always return to the smaller tank for the returned fuel from the main. Does this sound to easy to be true?
Thanks,
Randy
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On Dec 3, 2008, at 5:21 PM, Al Gietzen wrote:

Charlies' suggestion of the Facet transfer pump is what I've been using.  I use a 'T' in the fuel return line to the main tank for the transfer pump so it didn't even require an additional fitting in the tank (above what is necessary for EFI).  The Facet has a check valve function internally.
 There really is not a simpler system that I am aware of.

Well; there is, but of course it is dependant on air frame design. My Velocity has gravity feed from both mains to a 3 gallon sump, gravity feed from sump to the EFI pump; regulator return to the sump.  Now that's simple.

Al G

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