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buylow12's avatar
buylow12
Explorer
Mar 16, 2018

Thinking of adding and external tank for trip

I've got a 99 F250 with the 7.3 and we're lucky to get a range of 350 miles on flat ground and we like to do a lot of boondocking so I'm thinking of adding an external tank so I don't feel like I have to go from gas station to gas station. We leave mid May and get back in September. I'd like it to be gravity fed so no need for a pump as I don't have any other diesel items.

What can I get one for? Looks like about $300 from scanning Amazon. Also what should that should it cost to install? 40 gallon seems to be the standard size. I assume I'm going to have to move my toolbox forward and have the tank behind it. I don't think I've ever seen at the other way around?

I also bought a more powerful air pump and a new generator (I had one of those 800 watt $100 deals just as an emergency for my 2000 watts of solar my dad gave me when we left to full time three years ago). I bought champion, the stack able version because we just don't use the generator much unless we get like three days of zero sun and I just couldn't justify more than twice the price for a Honda. Hell I considered another $100 job but I wanted the ability to chain them together in cae we decide to do so warm weather boondocking.

I also have all kinds of random safety gear in my toolbox but is there anything else I really should consider? I'm going to get a radio and an antenna for the truck. We did the Baja trip no problem, though the tow strap was useful...

(By the way it make s me select Alaska or Canada but I imagine I'm not the only one doing both...)
  • Thanks for the advice we do like to boondock but if they're mostly only 50 to 75 miles we should be able to do both without worrying about it. We don't usually go more than a few miles into the forests and blm land to boondock anyways.
  • I've done the trip from PA. to AK. four times now. Once with a 2003 7.3 pulling a 25' travel trailer. Your money, and your choices, but be aware that there are absolutely no concerns about the range of your truck where you're heading. It's pretty rare to go 50-75 miles between fuel stops, unless you are heading way off to places that 99% of travelers never venture. The furthest distance we did between fuel stops was the haul road, and that wasn't even close to being an issue, on a trip to the circle and back. Have a great trip.
  • You mind sharing which one you got? Plus I like the idea of the relay, how exactly does that work? Do you have a toolbox in your bed too, because I really don't want to give mine up? I'm guessing you installed it yourself, was it pretty easy? For example I was proud of myself for fixing the rear door cables myself. If it's much more difficult than that I'll probably have to pay someone. Use a YouTube video to guide you? Thanks for the response.
  • I ordered a 38 gallon from Amazon. Gravity feed and I installed a relay. Works great. I let the fuel gauge fall to 3/4 then turn on relay.