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The Do-it-Yourself boat engine winterizing kit from Camco lets you flush and prepare your outboard and sterndrive (I/O) engines for winter storage with just 5 gallons of antifreeze and your flusher. Your engine can be winterized right up on the trailer. Easy and complete instructions included.
This is a great little system to allow the normal guy to put away his engine properly for the winter.
Reviews for Do-It-Yourself Winterizer Flushing Kit
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makes winterizing fast and easy
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This is a great tool but I recommend you have the engine up to operating temperature so the thermostat is open and coolant is circulating. If it is not, you may not be removing the water in the block and freeze damage may occur. I used this system on a customer's Mercruiser 357 Magnum. When I removed the blue plastic petcocks on both sides of the lower block, only water came out. I'm glad I checked. Double check your work to be sure.
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Makes winterizing easy. Found that I was better off removing thermostat. Water temperature did not go above 140 degrees and it didn't open.
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This system contains the tank, hoses and shut off valve necessary to flush antifreeze into an engine, head, or raw water system, minimizing spillage and waste.
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Out flow is slow
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Be sure to use Non-toxic biodegradable Ban Frost 2000, or similiar RV non-toxic antifreeze. What goes through the engine ends up on the ground.
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I have been using this product for nearly 10 years and have never had a problem. I live in northern Utah and store my boat outside and I have never had any freezing problems with my outdrive or my Engine. I use this product on my 24' Sea Ray Sorento with a Alpha One Outdrive.
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I would not recommend this for a raw water cooled sterndrive (I/O) because of the fact that if the thermostat does not open all the way, the engine block/heads will still have raw water or mostly water and not that much antifreeze and you would risk freeze damage because all the raw water did not exit the block/heads. The other issue is it can cause wear to the impeller esp on engines with the impeller mounted on the engine (Volvos, Bravos) because of the distance the AF has to be sucked up to the engine. This can work on outboard and on engines with closed cooling but it is too risky for raw water cooled inboards or IOs. Do yourself a favor and do not take short cuts, drain everything manually as noted in the engine manual, if you want to use AF you can back fill the engine and manifolds through the hoses. Make sure to probe the drain holes because rust flakes can prevent draining. I tried one of these years ago, then checked the block drains, what came out, was not strong enough to not freeze if the temps went down to zero...
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i used on a 5.7 mercruiser and put the whole 5 gallons the unit held in and just wasnt positive it was pure antifreeze coming out of the exhaust. so i cut the top out of the jug while it was in the using position and i poured a total of 7 gallons through my motor. i just kept adding the antifreeze as it was running out, worked great and gave me piece of mind. if the unit would hold 6 or 7 gallons it would be much better design, and you wouldnt have to worry about it running out before all the water was out of engine.
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Worked just as described. Very easy to use.
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