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Is there a way to clean out an old fuel tank. I just got my 65 f100 running and it will not hold an idle. The fumes from the gas stinks really bad. I dumped the tank and there was about 5 gallons of old gas in it and when the truck runs on this gas the fumes burns your eyes and lungs. Im hoping this is the problem. The tank has corrosion in it and the float on the arm was missing. Must have corroded away.
 

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i will price a new tank out but this one will have to do for now as i am short on money. the rest of the money i had saved went into putting the motor in.
 

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i have tried to clean some of the in cab tanks but it is very hard to get them clean they are not any good way because both of the holes is on the same end and want let all the scale out. If it is scaled up bad and alot of rust in it you need to replace it. Make sure you use the right gas cap with the vent in it or it will build pressure and that ant good when you got 20gal. of gas at your back under pressure.The reason I say that is I had the rubber fill hose blow off my old 69 long wheel base I had before the one I got now just glad I don't smoke because that would had been bad that day, if I or anyone would have been lighting one up at the time it came off and I was driving down the road with 3/4 tank of gas at the time.Yes my 69 that I have now has the tank in the cab but I do have the right vented cap on it and I do plan to put one under the bed one day.
 

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take the tank out and put some pea gravel in it. put the cap on and roll it around the yard, then dump out and wash.

One time I had a big tank and it was heavy and needed a lot of rolling, so I strapped it to the back tractor tire and drove around the pasture. Worked well, but it was a PITA to strap to the tire.
 

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One time I had a big tank and it was heavy and needed a lot of rolling, so I strapped it to the back tractor tire and drove around the pasture. Worked well, but it was a PITA to strap to the tire.
That makes for a great mental picture. Every lap I can see you jumping off, grabbing a beer and checking on the BBQ :)
 

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That makes for a great mental picture. Every lap I can see you jumping off, grabbing a beer and checking on the BBQ :)
I carry a cooler with me on the tractor;) and the pit holds heat pretty good. I only have to check it every 30 minutes or so.:D
 

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most radiator shops will clean them for very little cash and they turn out very well..................
x2 i think when i was gonna get mine done it was ~25 bucks...thats a few years ago now.. i ended up finding a "new" mint, and more importantly free tank out of an old farm truck and just swapped them.
 

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Any shop with a hot tank should be able to do the gas tank for you. We clean them for people from time to time. Usually it'll be a tank from an old tractor or something that's impossible to get new. Generally once they are hot tanked over night there can still be some rust inside but the old dried up crusty gasoline is gone.
 
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