Toyota 4 cyl conversion sump design - SailNet Community
 
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post #1 of 4 Old 01-29-2011 Thread Starter
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Toyota 4 cyl conversion sump design

I am planning to fit a Toyota 4 cyl diesel automotive engine into my own design 29 foot boat. I could do with some input on sump design. I have done all the basic conversions and have fully rebuilt the engine. I understand the sump needs extra baffle plates to prevent oil surge as well as a deep well for the oil strainer. Any input or comments would be much appreciated. I have built and fabricated just about everything on this boat and want to get the motor right now. Also where is the best position to exit the exhaust? Ideas to prevent water ingress thru the exhaust?
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post #2 of 4 Old 01-30-2011
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Hi
Can't help with the sump but here's a diagram from Yanmar that should help with exhaust layout.
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engine_anti_siphon.jpg  

Brian
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post #3 of 4 Old 01-31-2011 Thread Starter
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Hey Brian thanks a span! That diagram is just what I need and that configuration makes a lot of sense.
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post #4 of 4 Old 01-31-2011
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Make sure you put a seacock in the exhaust line if you're planning on making any bluewater passages. In heavy seas, the seas can force enough water into the exhaust system to hydrolock the engine, so you need to have a way to close it off when sailing in such conditions. When motoring, it isn't an issue, since the exhaust pressure keeps the water out.

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