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07-04-2006, 07:01 PM
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#1 |
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Registered User
Join Date: Jul 2006
Location: san jose
Posts: 54
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put in 5 gal. of gas and tank read 1/2 full ?
i put gas in my truck for the first time yesterday a '71 1/2 ton flletside. i read less than an 1/8 of a tank when i stopped and after putting in 5 gallons it read right at the 1/2 mark. either i have a 10 gallon gas tank or my sending unit isn't working right, does anyone know?
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07-04-2006, 07:04 PM
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#2 |
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Senior Member
Join Date: Jan 2003
Location: daytonabeach
Posts: 22,956
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Re: put in 5 gal. of gas and tank read 1/2 full ?
gas gauges on these trucks are not scientific instruments // a rough guide only
__________________
71c-10 350/2004r/4:11 lowered3/4 longbed/dead by hurricane MEANING OF DEATH::::: SOMEBODY ELSE GETS YOUR STUFF DONT BELIEVE EVERYTHING YOU THINK TAKE MY ADVISE;I DON'T USE IT ANYWAY |
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07-04-2006, 07:15 PM
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#3 |
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Registered User
Join Date: Apr 2006
Location: North alabama
Posts: 111
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Re: put in 5 gal. of gas and tank read 1/2 full ?
It should have settled down by now. Mine does this as well. If i run it kinda low, and put in 10 bucks, it'll say i have 3/8ths of a tank. This got me super excited one day, and so i went to arbys and came back and it was back to normal.
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07-04-2006, 09:05 PM
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#4 |
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its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,690
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Re: put in 5 gal. of gas and tank read 1/2 full ?
I say let it get to almost empty... or even run it dry, and see how far it goes... then fill it up all the way, and see where it goes.
I've never seen 2 trucks guages work exactly the same. Mine reads a tick over empty, and it'll have 5 gallons left. I try to forget about that and treat it like a reserve. |
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07-04-2006, 09:35 PM
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#5 | |
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Aluminum slot wheels rule...
Join Date: Jan 2006
Location: Maine
Posts: 6,211
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Re: put in 5 gal. of gas and tank read 1/2 full ?
Quote:
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07-04-2006, 09:56 PM
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#6 | |
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Registered User
Join Date: Jul 2006
Location: san jose
Posts: 54
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Re: put in 5 gal. of gas and tank read 1/2 full ?
Quote:
actually that makes sense because 5 remaining gallons with the fuel gauge reading almost empty + the 5 new gallons i had put in would put it right around 1/2 tank. |
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07-04-2006, 10:02 PM
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#7 |
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Designated A-hole!
Join Date: Mar 2003
Location: South Mississippi
Posts: 36,448
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Re: put in 5 gal. of gas and tank read 1/2 full ?
I never trust my gauge, I've run out with 1/4 tank showing.
__________________
"If it ain't broke, fix it 'til it is!" Being stupid ain't illegal.  We're Still Debt Free Except for the House!!! www.daveramsey.com 70 GMC SWB Stepside project "Green Booger" soon to be 6.0l/4l80e 93 S-10 "Poppaw's Truck" |
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07-04-2006, 10:09 PM
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#8 |
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Registered User
Join Date: Aug 2005
Location: Pasadena,Tx /Pto Pta DR
Posts: 5,415
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Re: put in 5 gal. of gas and tank read 1/2 full ?
Old Ford gauges always read true. Except they stayed on Full for a long time then fell real quick and then tapered off .When it hit "E" guess what. Old chevy trucks were inconsistent. Ain't it great we have newer high tech stuff now?
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07-05-2006, 11:47 PM
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#9 |
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"Ochre Ogre"
Join Date: Apr 2000
Location: Springfield, MN
Posts: 3,558
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Re: put in 5 gal. of gas and tank read 1/2 full ?
mbgmike and I have owned the same Fords obviously. The first half of the tank is huge! the second half of the gague is 1/4 and then empty 20 miles later.
My 71 suburban has a half tank of gas when it hits the 1/4 tank mark. It has always been this way.
__________________
Bowtie Truck Stop Inc. Mid-West GM Truck Restoration Parts Supplier Your Key Parts, Auto Metal Direct, Dynacorn, and Goodmark dealer. like us @ www.facebook.com/BowtieTruckStop 1971 C-10 Suburban (Ochre) 1971 K-10 Suburban (Ochre) 1972 C-10 Suburban (Ochre) 1972 K-20 Suburban (Yellow- that just aint right!) Springfield, Minnesota 56087 |
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07-06-2006, 12:04 AM
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#10 |
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Senior Member
 
Join Date: Sep 2005
Location: Lewisville, Nc
Posts: 10,237
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Re: put in 5 gal. of gas and tank read 1/2 full ?
when mine hits emptry i still have 10 gallons in the tank lol
__________________
David fuller Ase Certified Mechanic Click here to help support our board!! 1971 Chevy c-10 under going a 4.8l LSx swap Build Thread http://67-72chevytrucks.com/vboard/s...d.php?t=421305 2007 Honda Accord my daily 145kmiles 2002 Honda Accord 4 door With 330k(sisters car) 2005 toyota Avalon 228k( brothers car) 2002 Sububran 5.3 245k 2000 Tahoe 5.3l 378 General manager for Marco's Carwash & lube |
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07-06-2006, 12:07 AM
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#11 |
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Registered User
Join Date: Aug 2005
Location: Murfreesboro, TN
Posts: 14
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Re: put in 5 gal. of gas and tank read 1/2 full ?
I once had a 1/4 tank, put in $20 worth and my guage was all the way over to the 4 o'clock position.
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07-06-2006, 09:45 AM
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#12 |
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Registered User
Join Date: Apr 2004
Location: arkieland
Posts: 1,070
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Re: put in 5 gal. of gas and tank read 1/2 full ?
Even in 87, the owner's manual stated F meant "full, but some fuel may be added" ,,E meant "empty, but fuel left as reserve". I got a 79 Ford, when it points to empty is IS empty. I have also pulled the tank on my Chevies when they shoulda been near empty only to find about 5 gals there-kinda heavy when you expect it to be lighter,,once upon a time I could fill up for $10-15,, man those were the days,,brian
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