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#1
11-04-2006, 08:30 PM
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616 as a marine engine?
I've been looking at sailboats in the 40 ft range recently. Most of these use diesel inboards with about 40-60 HP. Seems to be that a 616 would be a good engine to use if a re-power was necessary. What do you think?
__________________
1979 240D- 316K miles - VGT Turbo, Intercooler, Stick Shift, Many Other Mods - Daily Driver 1982 300SD - 232K miles - Wife's Daily Driver 1986 560SL - Wife's red speed machine 
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#2
11-04-2006, 08:39 PM
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My 1st concern would be all that saltwater. Marine engines are built around boats, boats have different cooling systems, it might be tricky to adopt a car engine to the marine environment.
Also the 616 engine is probably much heavier than a marine engine with same kind of HP output. Where is Haterasguy, he might chime in on this better then I could
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'85 300 D Diamond in the rust
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#3
11-04-2006, 08:41 PM
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A closed circuit cooling system is a must. I can imagine what salt water and untreated lake water could do....
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#4
11-04-2006, 08:45 PM
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Yes a closed cooling system would me mandatory. I think that closed systems are fairly common in these applications.
__________________
1979 240D- 316K miles - VGT Turbo, Intercooler, Stick Shift, Many Other Mods - Daily Driver 1982 300SD - 232K miles - Wife's Daily Driver 1986 560SL - Wife's red speed machine
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#5
11-04-2006, 08:49 PM
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i would totally try and use a Benz diesel as a marine engine.......MB used to make marine engines, aircraft engines, and car engines after all....
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-Justin I believe in extreme automotive perfection whenever possible.......there is no such thing as "It doesn't matter" !!! 1985 300 CDT - 287k miles 1980 240 D - 340k miles With extras !!  http://facebook.com/BenzDieselTuner http://facebook.com/SWFLAlternativeFuelsClub http://facebook.com/SWFLBenzClub http://SWFLBenzClub.com
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#6
11-04-2006, 08:54 PM
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OM636 (170D) Marine engines: http://www.west-4x4.demon.co.uk/om636/
The boat  It's Mercedes OM352A (5.7L), 210HP turbocharged powerplant 
Last edited by whunter; 12-18-2009 at 08:45 AM. Reason: attached pictures
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#7
11-05-2006, 02:04 PM
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Been there done that now listen to Hatterasguy.
I did a lot of checking before re-powering my 1977 Hinckley Bermuda 40 sloop. I had my original 40 hp diesel re-powered with a 75 hp Yanmar diesel saildrive and now I have something I love.
 If you are looking at 40 foot motor/sails, it means two things: a) you got the money to do it right; b) you will be going far, far away. You do not want surprises far, far away.  The bigger question is are you sure you want that hole in the water? 
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_____________________________ In scuba diving and skydiving as in life, if it isn't fun, your doing it wrong. Original owner & daily driver, 1983 300SD 298,000 miles. Last edited by skydivetoday; 11-05-2006 at 02:32 PM.
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#8
11-05-2006, 03:26 PM
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I'm looking at them for a living aboard now and increasing long cruising over the next several years. Good point about surprises while far away.
Hole in the water or hole in the land....every thing costs money.
__________________
1979 240D- 316K miles - VGT Turbo, Intercooler, Stick Shift, Many Other Mods - Daily Driver 1982 300SD - 232K miles - Wife's Daily Driver 1986 560SL - Wife's red speed machine
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