transfer tanks
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Elder User
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From: Claremore, Ok 74017
transfer tanks
I was wanting to know how some of yall ran your transfer tanks into the factory tank. I got my tank mounted and have a bung welded into the stock fill up tube. I was thinking of running a electric fuel pump with a filter than into the fill tube. Those who gravity feed, did any of you have to seal any vents, want to know in case I over fill, don't want to spill diesel down the highway.
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From: AZ
I have a handy fuel and tool with a 55 gal. tank. I used a summit 140gph electric fuel pump with a filter before it and pump it into my front tank (old body style w/ 2 tanks). It creates some vaccum on the tank but I think its ok. As for the vent, dont seal it off! When you see cars behind you turn on their windshield wipers turn off the pump 
, you just have to pay attention to your gauge. Gravity flow tanks are not DOT approved because they are not controlled. It is pretty sweet having to fill up every 1500 miles empty, 1000 miles loaded.
, you just have to pay attention to your gauge. Gravity flow tanks are not DOT approved because they are not controlled. It is pretty sweet having to fill up every 1500 miles empty, 1000 miles loaded.
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Elder User
Joined: May 2002
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From: Claremore, Ok 74017
the problem is I can't pay attention to the guage cause it don't react fast enough. was thining of running gravity until I can find a fuel pump, going to lousiana and want to make it down there in one fill up.
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Use your trip computer to keep track of miles elapsed. You should have a fair idea of your fuel economy. When the fuel gauge starts getting low (say, 1/4 tank), divide the elapsed mileage by your assumed average MPG. You also know the flow rate of your pump in gph/gpm. Do a bit of basic 'rithmetic and you should be able to come up with how many minutes you need to run the pump.
Rather than burning 25gal. and trying to shove all 25gal. back in, why not burn down to 1/4 tank, pump in 10 gal, burn down to 1/4 tank, pump in 10 gal, etc.?
Rather than burning 25gal. and trying to shove all 25gal. back in, why not burn down to 1/4 tank, pump in 10 gal, burn down to 1/4 tank, pump in 10 gal, etc.?
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From: AZ
I have seen a lot of gravity flow set ups and they are not great. I have seen one on a dodge that you had to stop, open the valve on the transfer tank, wait for it to fill, then turn it off, and your off again. That would get old fast. Northern tool has a kit that might be good for yours, it wont let it overfill. (click here). My tank didnt have a fitting on the bottom to let it gravity flow, thats why I had to get a pump.
Last edited by ForemanES; Apr 17, 2006 at 09:46 PM.
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Elder User
Joined: May 2002
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From: Claremore, Ok 74017
computer would be nice but I don't have one. was thinking of running it for 3 minutes at 1/4 tank then run tank down again. Thinking of leaving valve cracked to fill tank slowly while I drive for the mean while.
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From: NW burbs of chicago
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From: AZ
$200. BUT! I was able to fill up @ 2.49 a gallon and everywhere I went it was almost $3. It saves time not having to fill up 3 times at different stations (also having to top it off if you know there wont be a station for a while). So either way you can fill up 3 times for ~$70 or once for $200.
Ford Truck Racer thats not a bad idea to crack the valve, but I wouldnt leave it like that.
Ford Truck Racer thats not a bad idea to crack the valve, but I wouldnt leave it like that.
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Thread Starter
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Elder User
Joined: May 2002
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From: Claremore, Ok 74017
I just finished the trip, I cracked the valve when I pulled out on the highway, and shut it off when I stopped. No leaks I could find. Only cost $180 for 70 gallons on the fill up.
