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Old 11-25-2010, 12:53 AM   #1 (permalink)
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Adding a secondary fuel tank

So my car is a 1995 acura integra sedan. I bought this car mainly as a back up to my cobalt. It gets pretty decent mpg so far but I thought about adding a secondary fuel tank to the car. I mean there isn't really a great reason for doing so but I thought why not. Other than getting a fuel tank to go into the trunk. What else would I need for this? Would I need a secondary fuel pump? My idea is to have a second gas cap so I can put fuel just in this tank, then flip a switch and a small fuel pump pumps fuel from the back up tank into the secondary one. I would have to run a line from the second tank to the main one. I'm all up for advice on this matter. Thanks.

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Old 11-25-2010, 12:58 AM   #2 (permalink)
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Not sure that this is really the best idea. Unless you are hwy driving, you will loose FE and, really, if you are on the hwy, can you go 5 hrs without a break? I start to kill people.
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Old 11-25-2010, 12:59 AM   #3 (permalink)
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how well it loose fuel economy?
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Old 11-25-2010, 01:20 AM   #4 (permalink)
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Fill the back of your car with extra weight? Not sure how that works, my guess is it decreases FE in city driving. Newtonian physics....
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Old 11-25-2010, 01:22 AM   #5 (permalink)
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oh well I'm not worried about the extra weight. What are the legalities of doing that cause I read this
Install an Auxiliary fuel tank on your truck
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Old 11-25-2010, 01:41 AM   #6 (permalink)
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ok, well you got me there. Are you worried about FE at all? I understand the weight doesnt bother you, but then why?
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Old 11-25-2010, 01:45 AM   #7 (permalink)
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eh just longer range really, it would save me from having to fill up at the pumps more often, idk I wouldn't mind that. Just one large fill up at the beginning of the month then I wouldn't have to fill up for a month. It it legal though?
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Old 11-25-2010, 01:54 AM   #8 (permalink)
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legal? possible, safe, eh
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Old 11-25-2010, 02:01 AM   #9 (permalink)
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what do you mean?
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Old 11-25-2010, 01:26 PM   #10 (permalink)
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If you really want to do something like this then getting a fuel tank that fits in the spare tire well like is used for waste veggie oil in diesel cars is most likely going to be the safe and easy way to go, but the cost and time you are going to invest in adding this 2nd fuel tank, you would come out ahead by doing other things that would get you better mileage, or if it's the time then the added time to install a system like this compared to the time spent at gas stations is going to take years to brake even.

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