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Old 05-08-2013, 07:53 PM   #6
AusCan
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City: Adelaide
Vessel Name: Kokanee
Vessel Model: Cuddles 30 Pilot House Motor Sailer
Join Date: Jul 2012
Posts: 3,218
Thanks for your thoughts guys.

I'm still no convinced in the value of part time fresh water flush.

The engine is a Volvo MD17D, so yes - parts are becoming scarce. Still only 2000 hours on it, and running well with no temperature issues. Being raw water cooled I run a low temp thermostat. Running at full operating temperature would be nice. I do have an issue with exhaust fumes at times, and running hotter would probably clean the exhaust up a bit.

RickB - Keel cooling sounds so simple - I wonder why more boats don't use it. What are the disadvantages? other than a bit of drag, and potential damage to tubes. The bilge keel stabilizers on my hull would protect any cooling tubes nicely.
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