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Old 07-11-2018, 09:03 AM   #24
Fishandgame
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Join Date: Jul 2018
Location: St. Louis, MO
Posts: 2
Re: dual tanks with late model EFI?

Since liquid seeks its own level and my 1984 C10 dual tanks sit at the same level; why couldn’t I pipe a manifold from near the bottom of both tanks. Say 1 inch or bigger braded line or rigid steel or aluminum either welded or attached with a tig in bulkhead. An AN line between the tank tops to prevent vapor locking, and just use one internal or external 58psi pump to deliver fuel to the rail. Eliminate switches and other pumps all together. The one sending unit doesn’t care if it’s 3/4 of 20 gal. or 40 gal. Run the manifold pipe in a steel tube welded to a cross member for duribility. I had 55 gal. drums that caught water from my downspout. Fill one drum and they all fill equally. Pull water from one they still keep the same level. Other than protecting the manifold pipe or line, this in theory sounds like it would work. Save coin on valves, switches, sending units, etc. Just a thought. Open to why not.
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