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Old 05-21-2019, 12:23 PM   #1
malubawla
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gravity feed auxiliary fuel tank

I was trying to get info on if anybody has attempted a trunk mounted gravity feed fuel tank. i get around 220 miles on a full tank of e85, limited stations around me. I was wanting to add a 10 gallon tank in the trunk. I have only seen this with guys on trucks mounting the tanks in their bed.
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Old 05-21-2019, 12:29 PM   #2
Spuds
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Not that I actually recommend doing this, but they do make fuel cells that fit in place of the spare wheel/tire. That's probably your best bet since putting something in the trunk would likely prevent you from getting to the spare anyway.
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Old 05-21-2019, 03:04 PM   #3
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It's a pressurized system.
With a vent outside for the gravity to work, you'll likely get a CEL into limp mode.
Depending how high, it may drain into the EPA carbon evaporation canister and ruin that too.

A couple race fuel jugs in the back would be simpler, but you need to get out to unstrap them and top off.
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