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How much do you think you can really top up your fuel tank?

Discussion in 'Survival/Preparedness Forum' started by DoctaGlockta, Mar 4, 2012.

  1. I know that in some vehicles you may damage certain fuel sending units and other components by frequently filling up past certain points. But if in a pinch how much extra fuel do you think you could put in your tank once the nozzle cuts out while filling up?

    I tried this recently in my vehicle and put in an extra 4.2 gallons.
     
  2. FatBoy

    FatBoy Millennium Member

    1,647
    0
    Sep 2, 1999
    ME
    even with todays prices I have a hard time getting to the next whole dollar most of the time.
     

  3. That seems like alot of extra full you were able to put in. Whats the vehicle?
     
  4. sr975j

    sr975j

    1,066
    2
    May 2, 2010
    Cincinnati, OH
    yea an extra 4.2 gallons seems a little extreme....i would say you can usually fit a little over a gallon after it stops. But, of course, I'm baying this off of nothing other than a guess.

    Sam

    Outdoor Hub mobile, the outdoor information engine
     
  5. michael e

    michael e

    2,811
    3
    Nov 20, 2010
    I never get more than a 1/2 gallon, now I have put 15.8x in a 16 gallon tank. One time on my bike i put 4.82 in a 4.86 gallon tank.
     
  6. Dexters

    Dexters

    4,191
    2
    May 3, 2004
    ga
    Try this next time - don't hold the handle use the on locks at the bottom of the handle and use the slowest setting. I'm guessing the fast filling causes the pump cut off.

    Overfilling can saturate your EVAP canister with liquid fuel, and fill your vent and EVAP piping with liquid.
     
  7. Just_plinking

    Just_plinking

    862
    153
    Jan 24, 2012

    ^ ditto, identically!
     
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  9. gotplastic

    gotplastic

    317
    0
    Feb 26, 2008
    If the pump says you managed to put in 4.2g beyond the tank size, i'd say you got ripped off for paying for about 4.0g you didnt get.
     
  10. I didn't say beyond tank size. It was beyond where the nozzle shut off at the pump.
     
  11. Pardoner

    Pardoner

    273
    1
    Sep 28, 2000
    Lake Mary, FL
    +1

    I work with a guy who used to do compliance testing and repairs on gas pumps and their tanks. The vapor recovery system on the pumps will severely short you if you are having it click off on you multiple times trying to top off.