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  #11  
Old 10-30-2013, 04:27 PM
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cbryan70 cbryan70 is offline
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Im still waiting for MC to throw some of Ilmores V10's in the bigger boats
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  #12  
Old 10-30-2013, 05:08 PM
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Quote:
Originally Posted by thatsmrmastercraft View Post
I'm thinking the turbos would generate too much heat under the engine box, but an Ecoboost marine engine is interesting.
With all the cool water available to intercool a turbo'd engine, this would be the ticket to a higher efficiency boat.

Like you said, the problem is that you can't cool the exhaust until after the turbo, so the now dry exhaust manifolds and the turbine would be HOT.

Boat with a cooling fan, anyone?
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  #13  
Old 10-30-2013, 05:14 PM
sppeders sppeders is offline
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I'm guessing either a CVT of some sort.
or


Diesel
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  #14  
Old 10-30-2013, 06:02 PM
Alan-S Alan-S is offline
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Look at the Mercruiser twin turbo 9.0L v8's. That is how you cool the turbos.
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  #15  
Old 10-30-2013, 06:52 PM
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they would use water cooled turbos to solve any heat issues
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  #16  
Old 10-30-2013, 09:46 PM
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A regular water cooled turbo only has a water jacket on the bearing section. The turbine still gets red hot and the compressor hot enough to turn high temp paint.

Those Mercury engines look like they have much more significant water jackets on the turbos. Very cool. I wonder how much they cool the exhaust gasses. Obviously they have it figured out.

When it was time for a major increase in max power and mechanical efficiency with our engines at work, we dropped the water cooled exhaust manifolds for dry manifolds. Keeps more energy in the exhaust for the turbo.
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