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#1 |
Registered User
Join Date: Apr 2009
Location: Weatherford, OK
Posts: 220
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True or false?
With half a tank of gas when I pull the fuel line off the tank under the cab all my gas should run out?
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#2 |
The Red Menace
Join Date: Feb 2009
Location: Roseburg, OR
Posts: 577
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Re: True or false?
Just about. That's how I drained mine when I was trying to get the crud out and it pretty much drained it all.
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1971 Custom 10 - 350/350TH - Pwr steering, gauges, Chrome front bumper, Chrome hubcaps, Door edge guards, HD rear springs (current) 1968 C-20 Custom Camper - 350/350TH (orig 327), Pwr steering & brakes, gauges w/tach (former) 1968 C-20 - 307/3sp column (Dad's when I was a kid) "Driving is like coloring. Things get messy if you can't stay inside the lines." |
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#3 |
Registered User
Join Date: Apr 2009
Location: Weatherford, OK
Posts: 220
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Re: True or false?
ok, looks like i found the source of bad fuel pump... Half a tank of gas and not a drop came out... Looks like my project just got bigger
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#4 |
Registered User
Join Date: Jun 2009
Location: Newnan, GA
Posts: 485
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Re: True or false?
I understand your question, But what will cause it to drain? The sending unit is mounted at top, right? I guess if the lines are full then the aspiration effect would cause it to drain. I had a similiar problem. I spihoned out the 20 gallons of gas. I KNOW! its not the smartest thing to do, However they do sell a kit to do it safely. I would check the tank for rust and debris and have it cleaned and sealed or do it yourself. It cost me about 80 bucks to get someone to do for me. It would be just another thing you know if fixed and will not cause you a problem later.
Just my two cents.
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#5 |
Registered User
Join Date: Oct 2007
Location: oklahoma
Posts: 457
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Re: True or false?
or a bad sensor on the side of the float????
cause i'm thinking fuel pump is on the engine.......
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Lug Nuts Classic Rides. (Bodywork, small fab, and Restorations) Perry, Ok. We're just two guys, trying our best. 72 cheyenne super https://67-72chevytrucks.com/vboard/...d.php?t=811512 55 chevy truck http://67-72chevytrucks.com/vboard/s...d.php?t=840174 |
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#6 |
Hittin E-Z Street on Mud Tires
![]() Join Date: Nov 2004
Location: Greenville, SC
Posts: 23,090
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Re: True or false?
Have you taken the sending unit out?
Your tank could be rusty and full of debri on the inside.
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Jesse James 1967 C10 SWB Stepside: 350/700R4/3.73 1965 Ford Mustang: 289/T5-5spd/3.25 Trac-Loc 1968 Pontiac Firebird: Project Fire Chicken! 2015 Silverado Double Cab 5.3L Z71 2001 Jeep Wrangler Sport 4.0L 5spd 2020 Chevrolet Equinox Premium 2.0L Turbo 2011 Mustang V6 ~ Wife's ride ![]() American Born, Country by the Grace of God ![]() 1967 CST Shop Truck Rebuild! My 1967 C-10 Build Thread My Vintage Air A/C Install Project "On a Dime" Trying my hand at Home Renovation! 1965 Mustang Modifications! Last edited by 67ChevyRedneck; 07-16-2009 at 05:34 PM. |
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#7 |
Registered User
Join Date: Apr 2009
Location: Weatherford, OK
Posts: 220
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Re: True or false?
yeah as i started pulling the tank I realized that it in fact should NOT drain cause the sending unit is on top. However I decided to pull it anyway cause my fuel filters last about a week and fuel pumps about 3 weeks....
Here's a silly question.... When I drain all this gas out of the tank should it be a DARK orange/red? lol i'm thinking it's a little rusty in there. Almost looks like dyed diesel |
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#8 |
Registered User
![]() Join Date: Jan 2008
Location: St.Petersburg,Fl
Posts: 1,267
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Re: True or false?
Do the math, it's not that color going in. Junk in the tank!
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#9 | |
Registered User
Join Date: Jun 2009
Location: Newnan, GA
Posts: 485
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Re: True or false?
Quote:
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#10 |
Registered User
Join Date: Apr 2009
Location: Weatherford, OK
Posts: 220
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Re: True or false?
I'm thinking it's time for tank relocation while I have it out.
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#11 |
Registered User
Join Date: Jun 2009
Location: Newnan, GA
Posts: 485
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Re: True or false?
that would be a great idea, depends on whatca doin with the truck, there are numerous threads on here on how to do and what tanks work best. You just need to do a search.
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#12 |
sharp as a marble
![]() Join Date: Jan 2007
Location: atlantic beach,florida
Posts: 1,082
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Re: True or false?
Y'all goining to make me go look tomorrow. I thought I saw a fuel line at the bottom of my 69 c-10 swb tank on the passenger side attached to the fuel line going to the motor. Why would it not gravity feed out of the tank. Is there really a fuel line in the sender?
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#13 |
Registered User
Join Date: Jun 2009
Location: Newnan, GA
Posts: 485
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Re: True or false?
on mine the fuel line goes up through the floor and connects to a rubber hose that connects to the sending unit with has a zinc coated alumn. line which goes down to the bottom of the tank and has a mesh "sock" at the end. The sock is your first defense against contaminats. Mine was completely gone when i removed it a few weeks ago.
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#14 |
its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,693
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Re: True or false?
yes, all the fuel should syphon out.
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#15 |
Special Order
![]() ![]() Join Date: Nov 2004
Location: Mt Airy, MD
Posts: 85,859
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Re: True or false?
The fuel stays primed to the pump.So,it will run out when you free the line from the pump.
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#16 |
Gone to greener pastures
![]() Join Date: May 2007
Location: Gateway to the Delta
Posts: 7,354
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Re: True or false?
Yup.
Now my stupid questions are: gas cap on, or gas cap off? If the gas cap is on, is it a vented cap? If air can't get into the tank, fuel can't get out.
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'69 Chevy 1/2 T LWB Stepper: Daily Beater '72 GMC 3/4 T Fleet: Another Daily Beater '72 Plymouth Gran Coupe: ? "Ah women. They make the highs higher and the lows more frequent." Friedrich Nietzsche "Never kick a fresh turd on a hot day." Harry S. Truman GUN CONTROL: Never having to say, "I missed you." Always fire two warning shots into your attacker's chest area before putting a bullet between his eyes. Paraphrased from Louis Awerbuck Last edited by El Jay; 07-16-2009 at 11:48 PM. Reason: grammar |
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#17 |
Between Trucks...
Join Date: Mar 2002
Location: Los Angeles, CA.
Posts: 3,830
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Re: True or false?
Fuel will definitely siphon out. Found out the hard way. PO had mufflers under the cab. Cooked the rubber fuel line. '69 with a vented cap.
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#18 | |
Registered User
Join Date: Apr 2009
Location: Weatherford, OK
Posts: 220
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Re: True or false?
Quote:
Anybody need 10 gallons of Dark orange gas? Last edited by davebloomer; 07-17-2009 at 12:05 PM. |
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#19 |
Registered User
Join Date: Nov 2008
Location: Carmel, IN
Posts: 187
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Re: True or false?
I bet you can sell that gas on craigslist for 10 bucks.
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#20 |
Registered User
![]() Join Date: Jul 2007
Location: Toppenish, WA
Posts: 15,514
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Re: True or false?
That sounds like the inside of the tank on my 71 after it sat for about 10 years with gas in it. If you have a tank relocation in the plans, I'd say that now is the time to do it.
Otherwise, in the past I have flushed out tanks with a steam cleaner or high pressure washer with some success. One of the problems with these trucks is that if they happened to sit out for a while the gas caps tend to disappear and all kinds of crud tends to collect in them. |
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#21 |
Registered User
Join Date: Apr 2009
Location: Weatherford, OK
Posts: 220
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Re: True or false?
I took the sending unit out and it is very rusty and the sock is deteriorated through. However the bottom of the tank was very clear of debris. How are these tanks supposed to look inside? I dont see how one could not have this surface rust in it??
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