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Brain Teaser "Harpoon Mod"

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Old Mar 18, 2016 | 01:50 AM
  #46  
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Originally Posted by oldboots1950
I stopped calculating the miles and taken to a mind set of just enjoying the ride.
Now THAT'S a sentiment I can agree with wholeheartedly.

I track MPG just as an early warning system, sorta like Pete above posted. But for me, it's like 'boots said, I enjoy the ride. Smiles Per Gallon for me.

Stewart
 
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Old Mar 18, 2016 | 07:19 AM
  #47  
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I completely ignore the MPG on the overhead - it's an average from last reset, not live data. I look at the ODO and the pump at fillup for the average - but for live data on MPG, I have Mass Fuel Desired on Torque Pro and the speedometer on the dash to let me know if something goes sideways. That MFD is a fixed range on flat road, and a spike here tells me when something happens. Something did happen the other day, and Stinky's parked until I can sort it out. I'm not waiting until I lose a tank of diesel before I act.
 
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Old Mar 18, 2016 | 08:51 AM
  #48  
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I enjoy the ride too but at 290K I'm always on the lookout for the next repair. When my low fuel light came on before 400 miles on the trip odometer I started paying attention. Turns out my fan clutch retired itself in the locked position. I had no idea how much one of those things cost!
 
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Old Mar 18, 2016 | 06:56 PM
  #49  
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Originally Posted by Sous
There are at least 2 vent lines, plus the one in the filler neck on the tank to allow for expansion. A station at every corner is good for someone that does not travel out west where there may not be a stop for 100 miles or so. Having the ability to carry 75 gallons (OEM + auxiliary tanks) of diesel fuel allows me to stop when and where I want instead of when I have to. When towing heavy or a large camper long distances, having an extra 5 gallons could help a lot.

In the picture below you can see the two vent ports which are the very bottom and the very top. Then, if I remember correctly the yellow port is the vent line for the filler neck, but I don't remember for sure. This is a picture I took while doing the Hutch/Harpoon mod on my truck.


Sous, What auxiliary tank did you go with? Any pics? I'm thinking about adding one myself.
 
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Old Mar 19, 2016 | 08:25 AM
  #50  
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I opted for the ATTA 45RBR in bed tank despite it taking up a bit of bed space. I decided on this one because it sits below the bed rails for if/when I get a cover for the bed. It came with everything needed to do the job including fuel hose, clamps, pump, gauge, etc... If/when I switch to another truck, I can simply remove the tank and associated equipment and mount it in the other truck.

There is nothing like rolling down the road at 65 MPH with a trailer in tow and pushing the momentary switch (automatic available, but I like to have positive control) for the auxiliary fuel pump and watching the fuel gauge rise. Nothing like having up to 1400 miles of range in regards to fuel capacity in a short bed truck.

The ATTA 45RBR is a bit more pricey than say a RDS or something, but it is a high quality tank and custom changes are not a problem if you call and ask. I caught a bunch of hell from some other members because I spent the extra and bought a custom tank with a pump instead of going the RDS gravity feed route, but it is not their time or money, so I don't give a damn. The tank and system as a whole has been great and I would do it again in a heartbeat. I was just back there yesterday looking at the tank now that it has been installed for over a year and the welds are very strong and the tank looks great.

Below is a link to a few pictures I posted when I did the H&H mod and installed the ATTA 45 RBR.

https://www.ford-trucks.com/forums/1...ne-almost.html
 
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Old Mar 20, 2016 | 08:18 PM
  #51  
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Originally Posted by Sous
I opted for the ATTA 45RBR in bed tank despite it taking up a bit of bed space. I decided on this one because it sits below the bed rails for if/when I get a cover for the bed. It came with everything needed to do the job including fuel hose, clamps, pump, gauge, etc... If/when I switch to another truck, I can simply remove the tank and associated equipment and mount it in the other truck.

There is nothing like rolling down the road at 65 MPH with a trailer in tow and pushing the momentary switch (automatic available, but I like to have positive control) for the auxiliary fuel pump and watching the fuel gauge rise. Nothing like having up to 1400 miles of range in regards to fuel capacity in a short bed truck.

The ATTA 45RBR is a bit more pricey than say a RDS or something, but it is a high quality tank and custom changes are not a problem if you call and ask. I caught a bunch of hell from some other members because I spent the extra and bought a custom tank with a pump instead of going the RDS gravity feed route, but it is not their time or money, so I don't give a damn. The tank and system as a whole has been great and I would do it again in a heartbeat. I was just back there yesterday looking at the tank now that it has been installed for over a year and the welds are very strong and the tank looks great.

Below is a link to a few pictures I posted when I did the H&H mod and installed the ATTA 45 RBR.

https://www.ford-trucks.com/forums/1...ne-almost.html
Thank you for the info!!
 
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