On Dec 16, 11:19*am, langrish@. wrote:
I'm guessing the pink "RV and Marine" antifreeze wouldn't be okay
to run in a closed cooling system with a radiator, but for just
winterizing a boat motor it's okay isn't it? It says it won't
hurt metal or plastic. Will it hurt gaskets or rings or anything?

If your engine is NOT on a " closed system " you could try the same
method I did. Disconnect your " rad " hose ( if equipped ) and connect
your Shop Vac set to blow to the end of the hose. Turn on the Vac for
a couple minutes, and blow all the water out of the engine(s) . Works
for me on my V 6.

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