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Thread: Oil Change

  1. #1
    Join Date
    May 2007
    Location
    Richmond, VA
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    1,758

    Default Oil Change

    Getting ready to winterize. What are the risks if I do not change the oil and filter? I do this at the end of each season. This one, however, the boat was on the water twice for a total of six hours. Normal use with skiers and tubers. I am fine changing the oil and filter if there is a benefit to the engine. On the other hand, if it's just a waste of time and money because of the low hours, I will skip. Appreciate any guidance. Thanks, guys. - Deerfield
    2007 Outback
    2012 RAM Crew Cab
    Stuart

  2. #2
    Join Date
    Sep 2010
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    Lake wallenpaupack PA
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    Default

    I dont see any harm in waiting. Just let her run before you change her in the spring to suspend all the junk.

  3. #3
    Join Date
    May 2009
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    Carlton Oregon
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    Default

    Quote Originally Posted by lsvboombox View Post
    I dont see any harm in waiting. Just let her run before you change her in the spring to suspend all the junk.
    Im of a slightly different thought. I also dont always change my oil at the end of the season. Sometimes i wait till the new season but i dont restart the engine. I dont want all that nasty dirty oil thats been sitting for all winter to cycle threw my engine.

    Different thoughts but honestly i dont think it matters that much.
    Malo <--- Means--Evil or Mean One. This explains a lot.
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  4. #4
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    Sep 2010
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    Default

    Here is someone elses take on oil changes at end or start o the season.

    "It is better to change the oil and transmission fluid at the end of the season, prior to storage. Lubricants naturally accumulate moisture, combustion by-products, and other contaminants during use. It can be detrimental to store an engine or drive with large amounts of these contaminants present."

    I still think it doesnt matter. Oif i have the time i change it at the end, if to busy i change next year

  5. #5
    Join Date
    Sep 2010
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    Default

    Quote Originally Posted by mmandley View Post
    Im of a slightly different thought. I also dont always change my oil at the end of the season. Sometimes i wait till the new season but i dont restart the engine. I dont want all that nasty dirty oil thats been sitting for all winter to cycle threw my engine.

    Different thoughts but honestly i dont think it matters that much.
    Here is the reasoning i use for running the motor


    "Before you begin an oil change, the engine should be hot. Warm oil is easier to suck through a rubber hose or brass straw, but the reason for running the engine is more essential than that. You are changing the oil because it is contaminated with abrasive and chemical impurities. But the dirt in oil is just like dirt in water; leave it undisturbed and it settles to the bottom. Suck out the cold oil and much of the dirt stays behind, immediately contaminating the fresh oil and defeating the whole purpose of the oil change. Run the engine to get all of the contaminants in suspension so they come out with the oil."

  6. #6
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    May 2009
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    Carlton Oregon
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    Default

    Quote Originally Posted by lsvboombox View Post
    Here is the reasoning i use for running the motor


    "Before you begin an oil change, the engine should be hot. Warm oil is easier to suck through a rubber hose or brass straw, but the reason for running the engine is more essential than that. You are changing the oil because it is contaminated with abrasive and chemical impurities. But the dirt in oil is just like dirt in water; leave it undisturbed and it settles to the bottom. Suck out the cold oil and much of the dirt stays behind, immediately contaminating the fresh oil and defeating the whole purpose of the oil change. Run the engine to get all of the contaminants in suspension so they come out with the oil."
    I understand your thoughts here.
    Malo <--- Means--Evil or Mean One. This explains a lot.
    2013 Mojo 2.5 Skylon Tower. Bestia < Beast >
    Exile ZLD
    6 SX65M Cabins
    6 XM9 Towers
    1 XI Big 15 Woofer in a custom Fiberglass box
    1 XI 1K Harpoon
    2 XI 800.4
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  7. #7
    Join Date
    Aug 2008
    Location
    Cottage Grove, MN
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    Default

    How's this for super anal. I change every 30 hours, and also at the end AND beginning of each season. I run the engine before all changes to make it easier to evac. I change V-drive and tranny every 50, but again at beginning AND end of season. To me, it's extremely cheap insurance. Even if the benefit is marginal, it doesn't cost that much....my $.02

    The guy who bought my LSV asked "why do you do that when you only keep the boat for a couple years". My answer was that I always intend to keep my stuff forever....it just rarely happens.
    2006 Outback V - Gone
    2008 LSV - Gone
    2013 other brand

  8. #8
    Join Date
    Jan 2008
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    Tallahassee, FL
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    Default

    My first thought was that in the spring I would not want to recirculate the used oil. But, traditional draining would be from the low point in the pan. If you are sucking the oil out this might not apply. I would be tempted to suck out everything I could get (without running the engine) then add a quart and let it run down into the pan. Then I'd try to pump out as much of this as I could get before refilling and then running the engine. With only 6 hours I wouldn't be too worried about it though.
    My Mom said I'm not allowed to get wet!
    2008 LSV
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  9. #9
    Join Date
    Jan 2008
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    Default

    I am in the camp of changing at the end of the season. Since everything will settle to the bottom, used oil will have some moisture. It will settle at some point in the pan and will etch a rust line around the oil pan while being stored over the winter. In reality, it is not a big deal. If done for several years, you will have a rusty oil pan that will introduce particles into the oil.

    Changing the oil at the end of the season will do a lot to prevent this build up.
    1997 MasterCraft 205

    2008 Moomba Outback
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  10. #10
    Join Date
    Dec 2006
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    Tuscaloosa, Alabama
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    Default

    I change mine every 50 hours, period, whatever time of year that works out to be. I run mine once a m9onth in the winter time instead of fogging it in. 734 hours and not a problem yet (maybe I shouldn't have said that).
    Jack Beams
    '05 Outback DD
    325HP EFI Indmar

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