Winterizing Volvo 8.1 GXII Engines

CurrentSea

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So I have 2007 Twin 8.1's.
I have neutrasalt system installed.
On the neutrasalt system there is a blue hose bib connection. Looks like it bypasses the part of the engine sucking raw water. Can I use this to feed in anti-freeze?

Does anyone have these engines?
How do you winterize them?

Thanks.
 
Yes I have strainers.
Was just looking for a easier way without disconnecting hoses.
 
you don't have to disconnect any strainer hoses. Just open the top and pour the anti-freeze in as fast as the engine will take it. I've never had a problem doing it tht way.
 
I didn't think it would suck it and I thought you got air in there this way.
The strainers pull from the top, so you need to keep it topped to avoid it sucking air.
 
It'll suck the pink down with no problems, don't worry about air, air can get in now if you boat launches off a wave and you don't have any issues..........
 
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