Quick- help needed before tonight
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Quick- help needed before tonight

  1. #1
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    Default Quick- help needed before tonight

    Hey guys-

    Got the boat in the water yesterday for the first time as I finally got the motor running and then of course I get a "freezing warning" here in CO. This is a 455 olds and just wanted to know if there are any other block drain plugs besides the ones I found next to the center freeze out plugs that I already removed? Should I do anything else to the engine to make sure I got all the water out of it so it won't crack the block if it drops below freezing tonight?

    Thanks in advance!


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    Apache Lake Monger AZKC's Avatar
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    If its an enclosed engine put a work light in there and leave it on. Or maybe set a drop light on the intake area.

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    Wet
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    Freeze warning will not crack your block. 3 straight days of 32* or less will. The light is a great idea, but to answer your question...
    No. Those are the only two drains on the side of the block. When you winterize, make sure you crack any water lines you can and I like to blow through them, and then fill with antifreeze.

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    Senior Member Boat 405's Avatar
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    Go to the auto parts store and buy a block heater that replaces one of the freeze plugs for future cold nights.

    For tonight put 50% water and 50 % antifreeze in if you are worried. DON'T just put straight antifreeze in. Straight antifreeze has a higher freezing temp than 50/50 mix.
    Boat 405.

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    Senior Member Delemorte's Avatar
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    Quote Originally Posted by widowmaker View Post
    . Straight antifreeze has a higher freezing temp than 50/50 mix.
    Isnt that a good thing? dont you want a high freezing point?


    OP: i personaly would not worry about it freezing tonight.. not enough time for it to get really cold as previously stated.. If your worried follow the advice of the drop light.
    Quote Originally Posted by jetboatperformance View Post
    the ensueing fire would likely be extinguished by the sinking however

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    Thanks for the quick reply guys!

    I'll do the drop light quick fix for now, I'll pick up a block heater for future backup in the AM. Was just worried as live at almost 10,000 feet, when they say freezing warning they mean it. I've been here on the 4th of July, woke up in the morning and there was 12" of snow on the ground. would just rather go on the side of caution and not mess up all the work it took me all summer to do.

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    Quote Originally Posted by Delemorte View Post
    Isnt that a good thing? dont you want a high freezing point?

    OP: i personaly would not worry about it freezing tonight.. not enough time for it to get really cold as previously stated.. If your worried follow the advice of the drop light.
    You misunderstand widowmaker, a higher freezing point, is a higher temperature, such as 20 degrees as opposed to -10 degrees.

    Now, sreaight anti-freeze is just fine, as pure glycol anti-freeze, while it will "freeze" sooner than 50-50 mix with water will, it will not freeze HARD/SOLID.
    It freezes to a slushy consistency, like an Icee, unable to exert any hydraulic pressure on the iron block.

    Done it, 25 years, in Kansas, where winter gets to almost 0*F ambient at some point normally.

    Now, you do not want to put ETHYLENE Glycol in the engine (good, green anti-freeze), because getting it into teh waterways is illegal in most states (including here).
    Go to Wal-Mart (or pay more elsewhere if you want) and get RV water system anti-freeze, PROPOLENE Glycol, pink, freeze-proof to -50*F, and, if frozen, again, freezes to slush, not hard ice.

    Done it, 5 years, Kansas, again.
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    Boat Nut sleekcrafter's Avatar
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    The critical thing is to flush the gravel, sand, and silt, from the block before the lay-up. If packed in, it can not allow the anti-freeze to reach that area.
    Upper Midwest Power Boat Association
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    Quote Originally Posted by sleekcrafter View Post
    The critical thing is to flush the gravel, sand, and silt, from the block before the lay-up. If packed in, it can not allow the anti-freeze to reach that area.
    i live in big bear ca...covered of course...my bout sits with snow on it all winter and spring long we just drain it and rap the block with tons of blankets and ive never once had a problem... and ive done this for 7 years...

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    Quote Originally Posted by SmokinLowriderSS View Post
    You misunderstand widowmaker, a higher freezing point, is a higher temperature, such as 20 degrees as opposed to -10 degrees.
    .

    Ah i get it.. and considering the temperature is droppping you want as low as you can freezing point.. Duh.. im used to dealing with boiling or evap points...


    Thanks!
    Quote Originally Posted by jetboatperformance View Post
    the ensueing fire would likely be extinguished by the sinking however

  13. #11
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    Once again, thanks guys! I noticed that there are, what look like drain plugs on my snails, they are 2 hex head plugs in the bottom of them, should I drain those as well?

    Also, in filling the block with some anti freeze should I remove 1 of the hoses from the t-stat housing an fill it from there? or how should that be done properly? are there any "stickies" on this subjet that I can't find?

    And last, What is the best way to clean out the on board fuel tanks? they have been sitting for 6+ years and I'm sure they have varnished fuel/crud in them. This is part of my winter projects along with a new interior and paint job, any advice on these would be great too!

    Thanks again in advance!

    1973 Avenger (model 180 or 185 not sure), Hardin logs and nails, 455 olds, berkeley 12jc-a.

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    Senior Member H20MOFO's Avatar
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    Corosion wise, is there a difference between the rv antifreeze and the green. Seems like there was, but I can't remember what one is best.
    Another Hot Boat refugee

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    Senior Member Delemorte's Avatar
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    Quote Originally Posted by H20MOFO View Post
    Corosion wise, is there a difference between the rv antifreeze and the green. Seems like there was, but I can't remember what one is best.
    i thought ther RV stuff was just less lethal as in wont poison all the little fisys when you take her to the water.
    Quote Originally Posted by jetboatperformance View Post
    the ensueing fire would likely be extinguished by the sinking however

  16. #14
    Senior Member H20MOFO's Avatar
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    Quote Originally Posted by Delemorte View Post
    i thought ther RV stuff was just less lethal as in wont poison all the little fisys when you take her to the water.
    I can always run it on the hose and kill weeds in the driveway and gutter before I take her to the lake
    Maybe I'm wrong....I thought one was more "engine friendly" than the other.
    Another Hot Boat refugee

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