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Old 12-02-2021, 07:43 AM   #21
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Originally Posted by TomCat View Post
I have a Transfer Flo 50 gallon low profile tank (fits under my roll up bed cover). Automatically pumps fuel from the auxiliary tank into the main tank. It works in a way that your main fuel guage is accurate for the total of the fuel between the main tank and auxiliary tank. I have a mobile app that connects with Bluetooth to show me how many gallons remain in each tank at any given time. You can also get a display to mount in the cab that will show you the same thing. Taps into your ODBC port for main tank fuel information. Fuel line from the auxiliary tank connects to the main tank vent hose - not the filler hose. I have been very happy with it.
The whole Trax-4 fuel transfer and monitor system would be a great addition to any fuel transfer tank. I have over filled my main tank twice by not paying attention or got distracted and forgot the transfer was on ( I have a pump on mine connected to a up lifter switch) the main tank can only take so much pressure and it starts to leak out of the fuel tank cap. Talk about a mess. Trying to get them to sell me just the Trax-4 system to ad to my tank but so far no luck. Really don`t want to buy another tank after spending $750 dollars for the on I have.
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Old 12-02-2021, 08:21 AM   #22
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I had a Transfer Flow 50 Gal. put in with the Trax3 and really like it, 86 gallons will last me all day if I need it to. Have a friend that put his own in with a switch to transfer, forgot to turn it off and lost allot of fuel, helped him build a 2 minute push button timer to fix that since we were not smart enough to figure out how to disable transfer if the main was more than half full.
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Old 12-02-2021, 09:47 AM   #23
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M.O.C. #21963
One thing to consider is trucks have a rollover protection valve to prevent fuel from coming out while upside down. Any splicing into a fuel filler hose should be done so as not to disable that safety feature.
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Old 12-02-2021, 02:25 PM   #24
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Added fuel capacity

I too had a Titan tank installed doubling my capacity. I first attempted to install it myself following their simple video instructions. I soon decided to carry it to my local mechanic who installed it for me. After he finished installing, he said he would never do that job again, but it came out great for me. My only issue is that I havenít got the gauge recalibrated and have to go by miles traveled vs gauge reading.
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Old 12-03-2021, 07:56 PM   #25
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Well, I have a 6.7L Powerstroke Diesel so it's not the same truck...I went with an S&B Filters 60 gallon replacement tank. Best thing I've done to the truck and I've done a lot.

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Old 12-05-2021, 08:38 AM   #26
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Thanks for all the replies. I decided to go with a RDS 45 gallon in bed tank because (1) this tank is only 9" thick and virtually makes no difference in bed usage. (2) because it is aluminum, and (3) because my truck is an extended cab and not crew ... there was only one under frame replacement tank available. I'd have to get un-retired and go back to work to pay for it ... Ha! Transfer Flo's setup is cutting edge, but well away from my price point. I will add that some companies shipping fees were an eye opener. It pays to shop around.
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