Perk 4.108 oil cooler fitting - SailNet Community
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post #1 of 4 Old 08-20-2010 Thread Starter
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Perk 4.108 oil cooler fitting

Anyone know where I can go about connecting in an oil take-off and return to the oil system of my perkins 4.108. I want to run the oil through a simple heat exchanger oil cooler.

As an aside should I use the seawater feed before the main heat exchanger or after it to cool the oil? My little old donkey only runs at around 90 degrees C so it would appear that the cooling water is not having to work too hard.

Before anyone asks ....... I'm fitting the cooler because the oil pressure gets too low when the engine is hot and you come back to idle........ I know it's not ideal but the poor old lump has about 8000 hard fought hours on it and the replacement engine I have is 2000 miles from the boat. I just want to stretch the life a l i t t l e more until I can get the boat and the new engine into the same location

Last edited by nimbusgb; 08-20-2010 at 10:20 AM.
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post #2 of 4 Old 08-21-2010
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I guess my reaction is surprise that you don't have an oil cooler. I thought that was stock on the 4.108.
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post #3 of 4 Old 08-22-2010
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yes standard O/E on the 4.108.


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post #4 of 4 Old 08-25-2010
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I think the oil cooler is "stacked" upon the engine coolant heat exchanger on the 4.108.
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