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freddmc's avatar
freddmc
Explorer
May 04, 2015

Installing Aux Fuel tank in Bed of Ram 3500 Dually.

I am installing an 85 gallon aux fuel tank in the bed of my 2005 Ram 3500 dually. It will feed thru a 1/2 hose with an inline filter to the fill tube of the stock fuel tank via a manual shutoff valve....
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retispcsi's avatar
retispcsi
Explorer
May 04, 2015
I have a 60 gal RDS gravity feed. Mine has a vent tube on top of the tank. I ran a section of fuel line from the vent to the under side of my truck. It is bent much like a P-trap thus allowing air in and not anything else. However you do it your tank needs to be vented to work correctly.

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