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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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boogie_4wheel's avatar
boogie_4wheel
Explorer
May 04, 2015
The factory fuel tank is vented separately from the hose you are seeing on the filler neck. There is a vent to atmosphere located on the top of the tank. You can plumb in to the filler neck on the backside of the filler door for your aux.

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