Will it freeze (round 10???)

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  • Mikeski
    1,000 Post Club Member
    • Jul 2003
    • 2908

    • San Francisco, CA

    • Current 2005 SV 211, due for upgrade! GS22 or GS24 perhaps? Previous

    Will it freeze (round 10???)

    So we have all asked outselves this question probably every winter.

    In California in the San Francisco east bay I have never winterized my boat in 30 years and have never had any troubles so I just don't worry about it. I also dole out this recommendation to my friends living locally. From time to time the question gets posted here and we get several differing posts.

    I just read Flipsides post about his freeze damaged GT40 for sale... He said the temperature got down to 19F. He also had the light bulb in the motor compartment which usually prevents damage. So I have a new datapoint for this discussion.

    Around my house we rarely get ice on the puddles. In the past 5 years I can only recall one time when the surface of my pool started icing. I also rarely experience any ice on the roads. These are key indicators we need to watch if we don't have a winterized boat.

    If you live somewhere where puddles, pools, and other standing water frequently ices over and don't keep your boat in a conditioned storage location you should probably be winterizing your boat.

    If you are somewhere between these descriptions then the decision gets a little tougher.

    Assuming Flipside's light bulb was actually working, we now know that a lightbulb is not enough heat when the temperatures get down in the teens. I am thinking the lightbulb trick is good for about 10F of heat increase? If the average ambient temperature gets below 22F I would be watching things very closely.
  • gride300
    1,000 Post Club Member
    • Apr 2008
    • 1356

    • mobile, al


    #2
    RE: Will it freeze (round 10???)

    what is the exact name for those block heaters you plug in and they magnetize to the engine? i want one for next year.

    Comment

    • jmo
      Senior Member of PLANETNAUTIQUE
      • Mar 2006
      • 707

      • MA


      #3
      RE: Will it freeze (round 10???)

      If in doubt, just spend the hour to atleast drain the water out of the block, strainer, and vdrive (if appropriate) so you don't have to worry about it. If your boat has a heater and/or shower, those components are the most susceptible to freezing.

      jmo
      2018 Ski Nautique 200 TE, H6
      - 2006 Ski Nautique 196 LE, Excalibur 330
      - 2001 Super Sport Nautique, GT40

      Comment

      • 8122pbrainard
        • Jul 2007
        • 255

        • Unknown


        #4
        RE: Will it freeze (round 10???)

        This is really what you need. It's safe and designed for the application. Don't use one of the magnetic heaters. They go on the oil pan and heat the oil not the surrounding air. They also have a high watt density and are known to acually burn/degrade the oil from the high temp they operate on.

        Comment

        • Flipside
          • Feb 2009
          • 137

          • Portland, OR


          #5
          RE: Will it freeze (round 10???)

          I think the key was a long duration of freezing temps. A light bulb would suffice I think if it dropped to 20F and then temperatures rose above freezing during the day. The problem I encountered was a week long freeze of 19 degree weather.

          Comment

          • 8122pbrainard
            • Jul 2007
            • 255

            • Unknown


            #6
            Re: RE: Will it freeze (round 10???)

            Originally posted by Flipside
            I think the key was a long duration of freezing temps. A light bulb would suffice I think if it dropped to 20F and then temperatures rose above freezing during the day. The problem I encountered was a week long freeze of 19 degree weather.
            Absolutely! It takes a long time for the cold to get to a engine.

            Comment

            • SkiTower
              1,000 Post Club Member
              • Nov 2007
              • 2172

              • Clayton, NC


              #7
              RE: Re: RE: Will it freeze (round 10???)

              I read on here the suggestion of putting a bucket of water by your boat. It'll give you a good indication of what the water in the boat is doing. I also live in a "maybe" climate, and wonder if the garage makes the difference to allow me to not winterize.
              2007 SV211 SE
              Tow Vehicle 2019 Tundra
              Dealer: www.Whitelake.com

              Comment

              • TRDon
                Senior Member of PLANETNAUTIQUE
                • Oct 2007
                • 722

                • MN

                • 1985 2001 1993 Sport carb GT40 2003 SANTE Excalibur

                #8
                RE: Re: RE: Will it freeze (round 10???)

                I see these thrads periodically and think to myself why people dont at least drain the water form the boat. I do that in the end of the season runs every time and it holds me over until I do put it down for good. Its just 5 plugs, the strainer and whatever accesories you have. Mine takes me literally 20 minutes to do. It is better than wondering if I should have all night.

                Comment

                • SkiTower
                  1,000 Post Club Member
                  • Nov 2007
                  • 2172

                  • Clayton, NC


                  #9
                  RE: Re: RE: Will it freeze (round 10???)

                  I see these thrads periodically and think to myself why people dont at least drain the water form the boat.
                  The argument against it is rust.
                  2007 SV211 SE
                  Tow Vehicle 2019 Tundra
                  Dealer: www.Whitelake.com

                  Comment

                  • TRDon
                    Senior Member of PLANETNAUTIQUE
                    • Oct 2007
                    • 722

                    • MN

                    • 1985 2001 1993 Sport carb GT40 2003 SANTE Excalibur

                    #10
                    RE: Re: RE: Will it freeze (round 10???)

                    Doesnt iron still rust with water left in ?

                    Comment

                    • WakeSlayer
                      1,000 Post Club Member
                      • Sep 2005
                      • 2069

                      • Silver Creek, MN

                      • 1968 Mustang

                      #11
                      RE: Re: RE: Will it freeze (round 10???)

                      Draining is so easy. If there is any risk, invest 10 minutes and a couple wrenches to get the water out. It is iron and will not make any difference. As Pete, I believe, pointed out, adding anti freeze is a relatively new practice. Personally I use AF, but we see frequent double digit below zero weather here and it takes care of any errant water pockets.
                      the WakeSlayer
                      1999 Super Air - Python Powered <-- For Sale
                      1968 Correct Craft Mustang

                      Comment

                      • DavidF
                        Senior Member of PLANETNAUTIQUE
                        • Sep 2004
                        • 611

                        • Austin, TX


                        #12
                        RE: Re: RE: Will it freeze (round 10???)

                        only marginally. When you wet and dry, you create rust scale in the block. The scale can break off and clog smaller passages. The water prevents oxygen (other than what is disolved in the water) from reaching the metal.

                        Comment

                        • Hollywood
                          1,000 Post Club Member
                          • Sep 2003
                          • 1930

                          • WIIL


                          #13
                          Re: RE: Re: RE: Will it freeze (round 10???)

                          Originally posted by SkiTower
                          I read on here the suggestion of putting a bucket of water by your boat. It'll give you a good indication of what the water in the boat is doing.
                          How is a bucket a good comparison to a water jacket in a cast iron engine block?

                          Comment

                          • WakeSlayer
                            1,000 Post Club Member
                            • Sep 2005
                            • 2069

                            • Silver Creek, MN

                            • 1968 Mustang

                            #14
                            Re: RE: Re: RE: Will it freeze (round 10???)

                            Originally posted by DavidF
                            only marginally. When you wet and dry, you create rust scale in the block. The scale can break off and clog smaller passages. The water prevents oxygen (other than what is disolved in the water) from reaching the metal.

                            vs. freezing, I think simply draining is a good idea. I don't mean for 4-5 months, but...
                            If I had open water, I would not have boats sitting for long periods not used anyway.
                            the WakeSlayer
                            1999 Super Air - Python Powered <-- For Sale
                            1968 Correct Craft Mustang

                            Comment

                            • TRDon
                              Senior Member of PLANETNAUTIQUE
                              • Oct 2007
                              • 722

                              • MN

                              • 1985 2001 1993 Sport carb GT40 2003 SANTE Excalibur

                              #15
                              Re: RE: Re: RE: Will it freeze (round 10???)

                              Originally posted by WakeSlayer
                              Originally posted by DavidF
                              only marginally. When you wet and dry, you create rust scale in the block. The scale can break off and clog smaller passages. The water prevents oxygen (other than what is disolved in the water) from reaching the metal.

                              vs. freezing, I think simply draining is a good idea. I don't mean for 4-5 months, but...
                              If I had open water, I would not have boats sitting for long periods not used anyway.
                              Agreed. I am not concerned about a little scale vs a broken block potential.

                              Comment

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