Thread: Extra fuel tank
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Old 05-09-2022, 03:23 PM   #6
KRUEBBE22
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Join Date: Feb 2021
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Four years ago I installed a 40 gallon DeeZee aluminum tank. At that time the tank was only $396.00. A lot more today. Initially I installed a solenoid valve with a switch in the cab of my truck. So it was basically a controlled gravity feed. Those solenoid valves can get very hot if left on too long. In fact I burnt one up. Then I decided to go with an in-line low pressure fuel pump (5-9 psi). Even with the pump off it will still gravity feed until there's about 20 of my 40 gallons left. I'm assuming there's not enough pressure with the 20 gallons to continue to gravity feed. When my main tank starts to move from full then I know I have about 20 gallons left in the aux. When my main tank gets to about half full, I activate the inline pump and it starts to fill my main tank. Some would consider this an odd setup but it has worked for me for the last 3 years and we are full time traveling at least 6,000 miles per year.
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