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rusted fuel!!

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Old Dec 16, 2003 | 10:05 PM
  #1  
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rusted fuel!!

Me again,
My front tank is clogging the filter with rust!! The rear tank seems fine. I was driving to work and the truck shut down on me. The filter I put on is see through filter. The particals were pretty small but filled the filter quick. The filter cloggs up after a short time period. Should I clean the tank? If so what is the process? Or, just replace the both of them and be done with it. I know the sending units are bad already. Full tank of gas shows half on the gauge. Thats aggravating!! I'd rather get your suggestions before I start ripping it apart. Thanks. or how about loosing the front or rear tank and adding on a new larger tank.. I hear a lot of problems with this front/rear tank system.
 

Last edited by mathew106; Dec 16, 2003 at 10:16 PM.
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Old Dec 16, 2003 | 10:46 PM
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From: iowa
there are some choices, replace the front tank, use the back tank only, or get an aftermarket 38 gallon tank with new straps. I myself would just use the back tank.
 
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Old Dec 16, 2003 | 10:58 PM
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Originally posted by fordeverpower
...get an aftermarket 38 gallon tank with new straps. I myself would just use the back tank.
Agreed!...rear tank only. I installed the 38 gallon tank ( http://www.jcwhitney.com ) on my '76 F150 390 4x4 and it worked out very well. You will want to purchase a new sending unit and follow instructions so that you will get accurate readings when Full, 3/4, 1/2, Empty

Good luck! Please keep this thread informed either way...


 
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Old Dec 16, 2003 | 11:11 PM
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man,
That replacement 38 gallon tank is pricey!! My god!! I could build one for half I would think. I know I can't get by with just the factory rear tank, It eats the fuel like candy. I bought 35" tires and 16" wheels today and I want to drive the truck now!!! I need to hit the lottery soon!! I'll let ya know either way.. It's gonna get restored from the frame up in two years from now. Just want the truck drivable till then. I took the 38.5 tires off today and I'm addapting to the new look, but man does it drive better!
 
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Old Dec 17, 2003 | 12:08 AM
  #5  
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There are some threads that cover rusty fuel tanks, cleaning, and sealing them that can be found thru the search function.

btw- don't use alcohol fuel and you won't get rusty tanks and lines...
 
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Old Dec 17, 2003 | 08:38 AM
  #6  
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Once a tank starts to rust, it will continue to rust more. If you plan to keep the pickup, then it is worth getting a new tank. Why waste your time and energy cleaning and sealing the tank, when you can get a new one for under $150 and be done with it...

The guage problems could be the wiring and connections, that's how mine acted. Inspect/repair the wires (solder all splices). Clean all the connections and coat with dielectric grease - especially the grounds. This will help the guage a lot...

Marty
 
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Old Dec 17, 2003 | 09:19 AM
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From: North of Tulsa, Oklahoma
Are you sure it's the tank? When I dropped my '78 tank last year and internally inspected it, it was in surprisingly clean shape. But the metal lines running inside the frame rails are another story. They are rusting inside and out. I've been putting off replacing them, so I go through filters every couple months or so. I know...I know...quit procrastinating. I plan on replacing my fuel lines with aluminum lines real soon. For now I just carry spare filters with me.
 
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Old Dec 17, 2003 | 03:58 PM
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From: kentucky
thanks everyone,
I'll go with the new tank, have to hold off on spending money, the wife caught on to how much I've been spending...LOL... Idon't want to run into problems switching to the front or rear tank on the highway and end up broke down because of the switch or something else. Just eliminate the problem...use one tank..
 
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Old Dec 17, 2003 | 04:12 PM
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btw- don't use alcohol fuel and you won't get rusty tanks and lines...

I'm lost on that one Torque1st. Are you saying go diesel??
 
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Old Dec 18, 2003 | 03:10 AM
  #10  
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I pulled the float from my front tank (dumped fuel on the ground, UGH, caught the rest in a pan) checked the connections with an ohmmeter. It read what the book said it should. I put back and tried again a couple of times. Finally on the last time I took it out (it's always the last time when you find it!) I heard a gurgle. There was fuel in the brass float. I pulled it off of the arm and found a hole rubbed through. I shook out the gas and soldered the hole shut and put it back together. Works like a champ.
 
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Old Dec 20, 2003 | 12:59 PM
  #11  
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so I may have a hole. I can work with that. I'm dropping the rear tank monday. I'll let ya know.
 
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