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| Converting Cooling from Raw Intake to... |
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James Dickson
New member
Username: jmcd
Post Number: 1
Registered: 03-2009
| | Posted on Tuesday, March 31, 2009 - 10:35 pm: | 
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I want a boat that I can use in salt and fresh water. Most of the sailboats in my area are fresh water boats cooled by raw water intake. Most of the engines are Atomic 4 gas, Universal diesel, or Yanmar diesel. Is it feasible, mechanically and/or economically to convert to a closed cooling system or is the better route to get a replacement engine that comes with a closed system? |
Joe Cazana
Member
Username: sail4evr
Post Number: 28
Registered: 10-2008
| | Posted on Wednesday, April 01, 2009 - 06:50 am: |
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There is a manufacturer in Florida that sells kits to convert to fresh water cooling for around $5-600. Assuming you are handy, you can do it yourself.
For what it is worth, stay away from inboard gas engines like the Atomic 4. |
Ronald E Cairns
Advanced Member
Username: ron_cairns
Post Number: 103
Registered: 12-2005
| | Posted on Wednesday, April 01, 2009 - 08:07 am: |
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Once an engine has been operating in sea water it builds up a scale. This is difficult to get rid of when you convert to Fresh Water Cooling systems. Often causing blockages. Sen Dure is a FWC aftermarket heat exchanger company and they make the kits. You will find most new engines have this FWC system as a standard. |
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