Aux diesel tank in bed question...
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โDec-02-2014 12:54 PM
2014 Cougar 327 RES "Campy"
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โDec-03-2014 01:31 PM
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โDec-03-2014 01:19 PM
GoPackGo wrote:I just installed one of these in my buddys new truck last weekend. Works really well.
I have an RDS tank. The RDS install kit INCLUDES a shut-off valve where it plumbs into the main (OEM) fuel filler line. When the fuel level backs up the OEM filler line and reaches the valve, it closes, stopping more fuel from flowing. This way it cannot get up to the level of the outside filler cap.
Northern Tools has the kit. $80.
Tim
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โDec-03-2014 11:42 AM
Then we upgraded to the in-bed Transfer Flow fuel pump version with a professional installation. DH switched his tonneau covers a few times until he could find the right one to fit over the tank.
Finally, we upgraded the truck and had Ford install the under-bed Titan replacement tank. It's been the best and easier. Just one fill-up, instead of two.
Still feel Ford needs to go back to dual tank option. Then you can fill on either side of Truck.
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โDec-03-2014 06:03 AM
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โDec-03-2014 05:57 AM
2006 Ford F350, CC, XLT Dually 6.0 PSD
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โDec-03-2014 03:51 AM
2014 Cougar 327 RES "Campy"
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โDec-03-2014 01:26 AM
Northern Tools has the kit. $80.
Tim
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โDec-02-2014 05:33 PM
It's nice having the option of getting fuel where we want, when we want, usually without the fiver in tow. Much easier that way, and can get into the smaller stations that are sometimes less expensive.
DH set it up that way to not mess with the truck computer gas thingee.
Sorry, don't know what it's called ๐ฎ
Cheryl
We have 45 gal RDS aux tank
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โDec-02-2014 04:43 PM
dave17352 wrote:mich800 wrote:fj12ryder wrote:
Okay, now you got me curious.
Why doesn't the auxiliary tank drain into the main truck tank until the auxiliary tank is empty, when the valve is open? Seems like it would if the auxiliary tank is higher than the regular tank.
What am I missing? Surely it isn't just the seal of the fuel cap?
That is how it works. You can get a tee that fits in the filler neck that has a shut off float in it. If someone just connected to the filler neck without some sort of shut off it would flow to the cap.
Yes some people leave the valve open and the cap should prevent any fuel from coming out. I choose to just open the valve when I run low on fuel. In fact with my 50 gallon tank when I open it, it drains far enough down that the level of the diesel is not higher than my filler cap. So it is really a no brainer. I have a 34 gallon tank.
I choose not to trust everything being spill proof around the cap because it is just so easy to flip the lever once. Literally about once every 800 miles or so. No big deal.
I do it similarly. I flip the valve if I am low with no stations in sight or if fuel prices are high. I typically top off my aux tank when I find a good deal and only use it when prices are rising. My own little futures market.
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โDec-02-2014 04:00 PM
mich800 wrote:fj12ryder wrote:
Okay, now you got me curious.
Why doesn't the auxiliary tank drain into the main truck tank until the auxiliary tank is empty, when the valve is open? Seems like it would if the auxiliary tank is higher than the regular tank.
What am I missing? Surely it isn't just the seal of the fuel cap?
That is how it works. You can get a tee that fits in the filler neck that has a shut off float in it. If someone just connected to the filler neck without some sort of shut off it would flow to the cap.
Yes some people leave the valve open and the cap should prevent any fuel from coming out. I choose to just open the valve when I run low on fuel. In fact with my 50 gallon tank when I open it, it drains far enough down that the level of the diesel is not higher than my filler cap. So it is really a no brainer. I have a 34 gallon tank.
I choose not to trust everything being spill proof around the cap because it is just so easy to flip the lever once. Literally about once every 800 miles or so. No big deal.
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โDec-02-2014 03:34 PM
fj12ryder wrote:
Okay, now you got me curious.
Why doesn't the auxiliary tank drain into the main truck tank until the auxiliary tank is empty, when the valve is open? Seems like it would if the auxiliary tank is higher than the regular tank.
What am I missing? Surely it isn't just the seal of the fuel cap?
That is how it works. You can get a tee that fits in the filler neck that has a shut off float in it. If someone just connected to the filler neck without some sort of shut off it would flow to the cap.
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โDec-02-2014 03:26 PM
Why doesn't the auxiliary tank drain into the main truck tank until the auxiliary tank is empty, when the valve is open? Seems like it would if the auxiliary tank is higher than the regular tank.
What am I missing? Surely it isn't just the seal of the fuel cap?
"Don't Panic"
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โDec-02-2014 03:09 PM
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โDec-02-2014 03:06 PM
wanderingbob wrote:
I have plumbed the same way except I leave the valve closed , when the gauge on dash gets low I open the valve and let gravity fill the main tank , If I forget and leave it open , nuttin happens ! Of course me and mickey mouse have only been doing it for fourteen years with no mishaps . Myself I would be afraid of electric pumps and automatic******, manual works for me .
I did exactly the same with my 50 gallon tank, the second time I installed it on my 2011 silverado. Believe me moving that little lever on the valve is really, really easy and it works perfectly. The first time I installed a solenoid switch and a lighted rocker panel switch. It worked too but cost me about a hundred bucks to set up. I agree manual is the the way to go. Piece of cake.
2005 Forrest River Cardinal 29rkle FW
1998 Lance 980 11'3" TC
2017 CHEVY 3500 SRW 6.0
B@W turnover ball @ companion Hitch
Honda eu3000 generator mounted on cargo rack
Crestliner 1850 Fish Ski boat mostly fishing now!