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1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks Discuss the Early Eighties Bullnose Ford Truck

84 F150

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Old May 28, 2015 | 10:26 AM
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84 F150

I'm new to this and just got a 1984 F150. I need to get ride of the old gas out of both tanks. One the gas gauge it says i have half a tank and not know how much is in other. What tje best way to get out the gas? And any tips on dropping the tank? Tips or what to look out for. Thanks
 
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Old May 28, 2015 | 10:41 AM
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Siphon is the cheapest, hand pump from parts store is next cheapest, easiest is to go to harbor freight or parts store and buy a electric pump and drain away. Start hitting your strap bolts with PB Blaster now, use a good 6 point socket, recruit a buddy and get a jack. Pretty straight forward. Your sending unit is 31 years old, with the tanks out you might want to replace. you didn't mention engine size but if the pump is in the tank, I'd replace that as well.
 
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Old May 28, 2015 | 10:50 AM
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Originally Posted by mattn17
I'm new to this and just got a 1984 F150. I need to get ride of the old gas out of both tanks. One the gas gauge it says i have half a tank and not know how much is in other. What tje best way to get out the gas? And any tips on dropping the tank? Tips or what to look out for. Thanks
Why dont you just disconnect the fuel line to the carb and run the pump? You wouldnt have to spend a dime.... When the first tank is empty switch the tank over and run it out. Are you running it with the inline pump?
 
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Old May 28, 2015 | 11:46 AM
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Originally Posted by JordanL91
Why dont you just disconnect the fuel line to the carb and run the pump? You wouldnt have to spend a dime.... When the first tank is empty switch the tank over and run it out. Are you running it with the inline pump?

great idea, I wasn't sure if he had in tank pumps, but after searching, it sounds like he does.


Mattn17, out of curiosity why were you planning on dropping the tanks?


Oh and welcome to the forum
 
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Old May 28, 2015 | 11:49 AM
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Originally Posted by InfantryCPT
great idea, I wasn't sure if he had in tank pumps, but after searching, it sounds like he does.


Mattn17, out of curiosity why were you planning on dropping the tanks?


Oh and welcome to the forum
Even with an inline pump it would work, just dont run it dry.
Mattn17, Can you please specify the fuel gauge problem?
 
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Old May 28, 2015 | 01:18 PM
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Originally Posted by InfantryCPT
great idea, I wasn't sure if he had in tank pumps, but after searching, it sounds like he does.


Mattn17, out of curiosity why were you planning on dropping the tanks?


Oh and welcome to the forum
I was told the gas was 2 years old and it would be best to get the old gas out and wash out the tanks. Its a V8 5.0L 302
 
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Old May 28, 2015 | 01:29 PM
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Originally Posted by JordanL91
Even with an inline pump it would work, just dont run it dry.
Mattn17, Can you please specify the fuel gauge problem?
I was told it dose not tell you how much is in the reserve tank when i switch it over.
 
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Old May 28, 2015 | 01:29 PM
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Is it wise to replace fuel pump?
 
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Old May 28, 2015 | 01:32 PM
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Originally Posted by mattn17
I was told it dose not tell you how much is in the reserve tank when i switch it over.
So it seems to possibly be the sending unit.
Needs more diagnosis

Originally Posted by mattn17
Is it wise to replace fuel pump?
If the fuel pumps work there is no need to replace the pumps
 
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Old May 28, 2015 | 02:18 PM
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Personally, I wouldn't fret over 2 year old gas.
 
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Old May 28, 2015 | 02:38 PM
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Originally Posted by maytag906
Personally, I wouldn't fret over 2 year old gas.
Neither would I, I would maybe add an octane booster. Most I would do is empty tank and refill, then call it a day
 
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Old May 28, 2015 | 03:47 PM
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replace your fuel filters
 
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Old May 29, 2015 | 12:39 AM
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Just top it off with premium and it should be good to go.
 
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