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Old 09-23-2008
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Icon3 Dual tanks, Thoughts & Ideas

So i have an idea for my ranger to increase the driving range between refueling. I was wanting to add a second tank where the spare tire is. don't know what will fit yet. but i didn't want to cut another hole in my bed side so i was going to connect the two tanks (stock and new one) with two hoses. One at the bottom to transfer fuel back and fourth, and one at the top to allow movement of fumes between tanks so they will both empty equally and fill equally. Just an idea right now, has anyone done this before? and if so do they know what fits between the frame rails? Thanks guys!
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Old 09-23-2008
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back in the 80's on the first gens this was an option thats why the fleet side bed floor still has the notch in the bed floor for the filler neck..

you could graft in a gas door and do it..
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Old 09-23-2008
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Hey Zach if u did the best tank would be a Bronco's right? Not saying i'm gonan do it but would that be the best way?
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Old 09-23-2008
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i think the tank will rub the shaft.

personally driving 300 miles with no stopping is usually unheard of when traveling. just fill up then
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Old 09-23-2008
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its mainly for off road, cuz when i hit the dunes i get like 8 mpg, and why not have a bigger capacity? I would fill up like twice a month this way
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Old 09-23-2008
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depending on the size of the gas tank i might have to move a cross member forward, no big deal, so the 80's rangers and broncos should fit or has the frame been changed since then?
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Old 09-23-2008
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why not just put a fuel cell in the bed? i think the simplicity and the lack of custom work would out weigh the 2nd under the bed.
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Old 09-23-2008
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i like bed space cuz i haul snowmobiles and dirt bikes depending on the year which is why i don't have a tool box. i need the bed space and fuel cells are kinda pricey.
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Old 09-23-2008
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maybe you could figuerw out a way just to replace the stock tank with a larger one. There is plenty of rum up there for a bigger tank
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Old 09-23-2008
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well i'm pretty sure that off the F series with dual tanks they are all 16gal which is all fine and dandy but so is mine. or am I wrong?
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Old 09-23-2008
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get one off like an F-250, just go up to someone that decided it would be a bright idea to buy a V-10 3/4 ton truck, tell them they fail at life and that you will take their gas tank off their hands for free.. your doing them a favor

that should be big enough. i hope
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Old 09-23-2008
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wouldnt the check engine light come one if you added another tank? It has a vacuum in the tank and if you loose that vacuum then it thinks there is a leak or the gas cap isnt on etc.. At least that is how I understand it.
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Old 09-23-2008
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well as for the fuel cap light, as long as the other tank is completely sealed it will pull the vacuum, i could even "T" the line and run it to the other tank too.
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Old 09-23-2008
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Originally Posted by 99ranger4x4 View Post
get one off like an F-250, just go up to someone that decided it would be a bright idea to buy a V-10 3/4 ton truck, tell them they fail at life and that you will take their gas tank off their hands for free.. your doing them a favor

that should be big enough. i hope
lol my auto shop at college had one of those as a mock up car.... they might wonder where it went though ha ha
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Old 09-23-2008
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Call me stupid but wouldn't that get you less MPG with all the extra weight?
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Old 09-23-2008
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maybe a little but its all within the truck and not hanging out in the open, you'd lose power especially when they are full. it would just be like having something in the bed of your truck. so i don't really know how much you would lose
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Old 09-23-2008
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OK Yeah that was my thought. Another 15 gallon tank or something would add quite a bit of weight I would think. I have a lawn care business and the 5 gallon tanks are not light (not saying they are wicked heavy but multiple it by 6 for 30 gallons of gas).
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Old 09-23-2008
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Yeah that is a pretty good amoutn of extra weight to have.
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Old 09-23-2008
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If it was to much weight then you could always just fill the second tank up half way. That would still get you a good amount of fuel but be less weight.

One other thing though, you would have to find a way to get your gas gauge to work with the other pump. You could maby add a gauge in an a pillar or steering column pod.
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Old 09-23-2008
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1 gallon of gasoline weighs around 6.5 lbs, an extra 15 gallons would only be around 100 lbs, that's less than a passenger, and it would be all tucked up, out of the way, you wouldn't even notice.

The gas gauge is just a float, if both the tanks were connected and flowing properly, the gas gauge would still work, your problem would be on any kind of incline (forward or back) the gas gauge would fluctuate A LOT, so it wouldn't be very accurate.
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Old 09-23-2008
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Originally Posted by Hanks Rangers View Post
lol my auto shop at college had one of those as a mock up car.... they might wonder where it went though ha ha
what? an F-250 with a gas engine?

i just dont undestand why anyone would buy a 3/4 truck with a gas engine.. less power, less fuel economy

the Triton V-10 sucks from what i've heard
the trans behind the dodge V-10 sucks
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Old 09-23-2008
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the other idea i came up with for the whole incline deal is to have the rear tank just a bit higher than the side tank. just to make it want to be in the one with the fuel pump. the other idea is to also have a fuel pump in the rear tank feeding into my fuel lines and put a regulator on it so it wont over pressurize my fuel rail since its return-less.
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Old 09-23-2008
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yeah it doesn't make sense but if i was going to get a full size truck it would be a dodge just so i could have the cummins, i do know their is a place in montana where all they do is put cummins diesels in fords.
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Old 09-23-2008
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Originally Posted by 98liftedranger View Post
OK Yeah that was my thought. Another 15 gallon tank or something would add quite a bit of weight I would think. I have a lawn care business and the 5 gallon tanks are not light (not saying they are wicked heavy but multiple it by 6 for 30 gallons of gas).
but i can counter act the weight sagging problem by adding airbags on the rear then i can haul more weight too
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Old 09-23-2008
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Quote:
Originally Posted by Hanks Rangers View Post
yeah it doesn't make sense but if i was going to get a full size truck it would be a dodge just so i could have the cummins, i do know their is a place in montana where all they do is put cummins diesels in fords.
Doesn't Ford own 10% of cummins? The rollback at work I used to drive was a 650 or something with a cummins ... was pretty old though, not sure if the newer ones still use cummins motors..
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