On Fri, 13 Jan 2006 17:46:06 GMT, "Roger Long"
wrote:

I used the right stuff in the fresh water piping and the right stuff
in the engine. Both are happy.

Practical Sailor has recommended the cheap pink plumbing antifreeze as
a good thing to use in both the plumbing and the engine. I run a
gallon through the engine when it's warm (so the thermostat is open)
as the last gasp before they lift the boat. Then I open the engine
drain and let it flow out into the bilge.

Ryk