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Old 11-13-2011, 04:43 PM   #1
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Auxillary Fuel Tank for F250 Diesel Crew Cab

I am considering changing out the OEM fuel tank for a larger one so I can avoid so many fillups when I am towing..wondering if any other folks in here have done the same and any recommendations on brand and if you feel that its really worth the cost? I guess it will be around $1200 including installation.
I don't want the type that goes in the bed because I also haul a golf cart in the truck sometimes.
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Old 11-13-2011, 07:34 PM   #2
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Only experience I have had is with the bed type, and I know what you are saying about room. I would have to tow quite a bit to make it worth it. I also like to take a break every few hours, so I am not sure I would want to go that far without stopping.
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Old 11-13-2011, 07:56 PM   #3
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Unless you are filling up in some really cheap areas I would save the money or invest it in exhaust to increase you fuel mileage and lower you EGT's. I went with a 4" turbo back and gained 2MPG. Switched to full synethtic and also gained another 1.5 MPG.
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Old 11-14-2011, 08:10 AM   #4
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Someone suggested on an earlier post,get some yellow 5 gal fuel jugs and remove when not traveling.When empty just secure with a bungee.
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Old 11-14-2011, 08:45 AM   #5
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I put a TITAN Tank in my truck... it is double the size of the factory tank and means I can tow for a full day before I have to refuel. Since most modern stations don't easily accommodate RV's this means I can drop the trailer at the end of the day and go and fill up...BUT MAN O MAN DOES IT HURT WHEN YOU FILL THAT SUCKER UP...
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Old 11-14-2011, 09:33 AM   #6
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I can relate to Seann's issue with finding a stop that will take the height having a 5'er. I am usually scouting out places on the outbound for the inbound should I need one. On the list for me this year is a truck route GPS to help with those stops.

My tank is 38 gal stock which gives me an easy 6hrs towing with another 1 hour cushion to find a stop should I run it that low.

Jerry cans are a thought but that can be messy and should any get on you would ruin the trip due to sever odors coming in the cab.

What size bed do you have in the F250? Year? If it's a short bed than I think it's 29 gal and no mods that would explain your running low so soon.

Can you fit a larger underbed tank is another question depending on bed size? If your towing with a 6.0 then it's proably getting 8-10MPG at best with no mods. If you do some of the mods I mentioned above to the engine at least you will earn a payback on your investment towing or not. Sure your going to still need to stop more often if your tank is the smaller one but you could get another 100 miles per tank with the right changes. Personally I couldn't run over 5hours without stopping.

Daily driving is yielding 17MPG which is about 5MPG than what I was getting before any mods.

There are some threads within this forum on towing MPG with variuos trucks to give you some more insight.

Just my 2 cents based on my individual results.
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Old 11-14-2011, 07:30 PM   #7
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I have a 2009 F250 diesel crew cab short bed....I believe the OEM holds 35 gallons if you fill it up really slow to get every last gallon in it.. but like the previous post, a lot of modern stations do not easily accomadate a rig as long as I have including the truck + 36 foot fifth wheel..so it would be nice to be able to drive all day without a fillup, or at least not have to maneuver a gas station with the rig..i have to stop also about every 4-5 hrs, but rest areas, walmarts, etc are much easier to drive around than most gas stations.
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Old 11-14-2011, 07:33 PM   #8
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how many total gallons does the TITAN tank hold???
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Old 11-15-2011, 07:58 AM   #9
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PCX, the tanks range from as "little" as 40gal to as much as 60+ depending on things like ground clearence desired and truck configuration. These are full replacement tanks, not add on's. There's a few companies that might even offer install depending on your proximity of their shops. Good luck.
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Old 11-15-2011, 08:56 AM   #10
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Quote:
Originally Posted by pcx8000 View Post
how many total gallons does the TITAN tank hold???
Titan tanks double the size of the original tank... my 26 gallon Chevy tank became a 52 gallon tank.
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