Dual fuel tank install with selector
I wanted a little more time between fill ups mainly for convenience on long trips. I picked up a 5th wheel style aluminum tank off craigslist and went to work. I cut the bottom out of the tool box to add a the 55 gallon aluminum fuel tank. I used a fuel tank selector switch kit made for the 1997 and previous Ford Pre-Super Dutys (it is a tank selector kit including valve with return line ports, switch, and wire harness with instructions) so I can now select between the two tanks (stock fuel gauge shows level for tank that is being used). This gives me a new highway running distance of about 1500 miles or 1100 mile city between fill ups unloaded... http://www.explorerforum.com/forums/...es/burnout.gif
Inside the tool box http://inlinethumb43.webshots.com/46...500x500Q85.jpg Classy selector valve shield I made to protect it from road debris. http://inlinethumb29.webshots.com/49...500x500Q85.jpg Selector switch that came with the kit, doesn't really match the dash, but works and is factory labeled main and aux. http://inlinethumb20.webshots.com/48...500x500Q85.jpg |
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a few things you should know.
dot says you can not dirrectly feed a carb or injector. next you can not transport more then 85 gallons accross state lines |
Since the fuel pump is located inside the main fuel tank, how is the added tank going to supply fuel to the engine?
I have an older Ford with dual tanks but the fuel pump is engine mounted. |
He should be right at the 85 gallon limit if I'm thinking right. Almost all 6.0 psd's came with a 30 gallon tank, am I right?
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on all the powerstrokes the pump is frame mounted and is basicly insiide the frame under the drives door.
as long as you are using the oem pump you should be good this will keep the ineratia swich still as a safty devise. |
Yes, I am using the stock fuel pump. I spliced into the stock fuel lines on top of the factory tank (they are a lot smaller than I expected). I was under the impression that as long as I stayed under 110 gal in the bed of the truck, it would be DOT compliant. Either way, since it is hidden, I'm not worried about being pulled over for it.
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I installed a 50 gallon aux tank in my bed with this transfer kit:
RDS Diesel Install Kit for Auxiliary Diesel Fuel Tank Fits 1999Current Ford, Dodge and 2011 Chevrolet and GMC Trucks, Model# 011025 | Auxiliary-Transfer Tank Accessories | Northern Tool + Equipment It gravity feeds to the stock filler neck (the aux tank just keeps the main tank topped off until empty). Been in the truck for over a year without issue. No extra pumps, no wiring and no switches to install in your truck. |
I've seen that kit, but I like the idea of having the tanks completely separate. I'm not crazy about that gravity fill system. I'm glad it's working out for you though.
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I used the rds setup as well . the gravity feed works great.
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