Quote:
Originally Posted by HITodd
I got a code on my 2004 Duramax. I had the valve turned off when I filled the TransferFlow tank. When I started a 3000 mile trip, of course I opened the valve. After I drove about 75 miles I got a check engine light. Worried me, but the truck still ran good. When I returned home I took the truck to my local Truck shop. Found out the code was because you can’t fill up while driving at 60mph. Lesson learned.
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This is to funny. What else are they watching us do? Told the wife about this and her eyes rolled  . LOL 
Gravity fed from the start on an 2018, no codes but I do let the tank get below 1/4 on a 48 gallon stock tank before I start the transfer. Then added a small fuel pump and switch it on -off with the upfitter switch. Takes about 15 mins. to empty the 32 gallon trans tank.
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2018.5 3791 Rear Den Montana, on the lake  no 3rd A/C, Mini Split, just do it
Electric Brakes ..... Disk Brakes, it`s the only way
F350 Ford Dually 4:10`s w/bags (payload 5595 lbs) Sumo Springs 63 gal aux tank
Reese Goosebox Mor/Ryde SRE 4000 X Factors Monroe shocks.... real smooth ride
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