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Monsoon 409 6.0L Crusader - Fogging and Coolant Necessary?

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I am looking to pull the trigger on a 2019 Axis A22 with a Monsoon 409 6.0L V8 Crusader Challenger Engine.  The boat has just under 100 hours and all service work was completed by the current owner, which includes winterization. According to the manual below all plugs need to be pulled and a few hoses. I did not read anything about fogging or running coolant through the engine.  Is this necessary?  The main reason I ask all of this is because we are about to have some very low temps for the area (getting down to 0 degrees) and I have to trust this guy that he is doing everything correctly.  This boat sits outside in his driveway under the factory boat cover.  Kind of puts me on edge and I doubt I will be able to start her up if everything is winterized.  Appreciate any advice and any information.  


Edited by MexTex
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You’ll be fine just draining it. Folks put coolant in the system to prevent corrosion mainly but from freezing. Very few people fog as far as I know, but both are imho for long term layup situations. That said, I only drain mine and it sits for 6 months in my garage. My 98 has had that same treatment since birth and is strong as when she was new. 

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