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View Poll Results: E-10 gas over the winter

59. You may not vote on this poll
  • Fill the tank full

    14 23.73%
  • Store it empty

    36 61.02%
  • Drink beer all winter and hope either way is OK

    9 15.25%
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Results 31 to 35 of 35
  1. #31
    Registered berns29scarab's Avatar
    My Boats:
    99 27 Kryptonite
    Join Date
    Jul 2004
    Brick, NJ

    Re: Ethanol (E-10) over the winter..Tanks ful or empty??

    Quote Originally Posted by JERSEY DEVIL
    air port in lakewood you can bring the boat or some cans bruce hey pub tonite bruce
    was there the other night looking for ya

  2. #32
    Registered On Time's Avatar
    My Boats:
    2005 42 Fountain, 1998 Marlago 35 FS, 2007 Sea Ray 230 Fission
    Join Date
    Nov 2004

    Re: Ethanol (E-10) over the winter..Tanks ful or empty??

    I have read extensively on this issue:

    1) Empty the tanks as much as possible before storage. The quantity of water produced from condensation will be nowhere near the quantity you get from E10 phase separation in a full gas tank and the subsequent hydration of the free ethanol, the water vapor coming in through your tank vents. Remember, ethanol mixes very well with water in mixed drinks. Everclear can only be refined to 190 proof (95%) due to the strong attraction of ethanol to water. Sealing of tank vents is not recommended due to temperature fluctuations should pressure build up and force fuel into the engine or stress seals or joints.

    2) Put in additive to the remaining fuel (Star-tron, Sta-Bil) or equivalent.

    3) Change your water separating fuel filters and fill up with fresh gas before the engines are started after any extended storage period. You must remove the water from the bottom of the tank to avoid drawing liquid water into the engine. Severe engine damage will occur if you try to compress water. Disconnect fuel line and turn over engine to check for water if there are any doubts.

    4) If the boat is trailerable consider filling the fuel tanks from a source that does not use ethanol before the storage period. You may still need to use a fuel stabilizer even with 100% gasoline.


  3. #33
    PF Marine Platinum Member Coolerman's Avatar
    Join Date
    Mar 2003
    Dallas, TX

    Re: Ethanol (E-10) over the winter..Tanks ful or empty??

    We run Avgas 100lowlead and store the tanks empty in the winter. In previous years, we had some problems with E10 gas and how it was blended from one gas station to the next.

  4. #34
    Join Date
    Oct 2004
    Newbury Park, CA

    Re: Ethanol (E-10) over the winter..Tanks ful or empty??

    Quote Originally Posted by hunster
    Too much octane is not a good thing! If you get really bored I'll give you a guys number and he'll give you a nice like 2 hour dissertation on octane. Run the regular. If it don't knock your good to go!
    Maybe this guy should just have a recording.

    Excessive fuel octane is not bad per se, but is a waste of money, unless you are getting the octane from lead which will foul plugs and valves, then it really is bad. Ask the aircraft people about lead fouling.

    I think it would be a good idea to drain the tank of ethanol based fuel. I would also put a desiccant in the tank on a string or wire to keep it dry.


  5. #35
    AKA "BAZOOKA JOE" Platinum Member bojoe2's Avatar
    Join Date
    Jun 2001

    Re: Ethanol (E-10) over the winter..Tanks ful or empty??

    Quote Originally Posted by berns29scarab
    where can we get aviation fuel around here i like that idea as well
    talk to chuck at typhoon they may have some in drums there
    Shore Dreams for Kids "President"

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