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Mercury optimax diesel #10861984 05/21/15 09:23 PM
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B.Hollingshead Offline OP
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This would be cool to have wonder how it does on fuel mileage compared to the gas optimax.

http://www.boatingmag.com/mercury-racing-unveils-optimax-diesel-outboard?image=3


Branden Hollingshead

38-DD's and counting
Moritz Chevrolet - 9101 Camp Bowie W Blvd, Fort Worth, TX - Monte Coon (817) 696-2003
Re: Mercury optimax diesel [Re: B.Hollingshead] #10861998 05/21/15 09:26 PM
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manhunter Offline
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I know one thing, the issues with ethanol go bye bye.

Re: Mercury optimax diesel [Re: B.Hollingshead] #10862221 05/21/15 10:54 PM
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Yes but how many years will the extra 5k take to recoup your savings. And resale.... i can read all the future posts now.

Re: Mercury optimax diesel [Re: B.Hollingshead] #10862231 05/21/15 11:00 PM
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SAKS Offline
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Diesel outperforms gas in torque and fuel consumption in all other applications but my concern would be cold weather use. They don't like cold weather.

Re: Mercury optimax diesel [Re: SAKS] #10862238 05/21/15 11:02 PM
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B.Hollingshead Offline OP
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Originally Posted By: SAKS
Diesel outperforms gas in torque and fuel consumption in all other applications but my concern would be cold weather use. They don't like cold weather.
Wonder if they have a heater block..lol and yes no more ethanol problems at least


Branden Hollingshead

38-DD's and counting
Re: Mercury optimax diesel [Re: B.Hollingshead] #10862243 05/21/15 11:04 PM
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lizardfliper Offline
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LIKE TO SEE IT IN A 250

Re: Mercury optimax diesel [Re: B.Hollingshead] #10862261 05/21/15 11:13 PM
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Frank the Tank Online Content
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I'd take a 200 and I bet it would last a LONG time


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Re: Mercury optimax diesel [Re: B.Hollingshead] #10862299 05/21/15 11:32 PM
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gary purdy Offline
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The diesel engine is an internal combustion engine in which ignition of the fuel that has been injected into the combustion chamber is initiated by the high temperature which a gas achieves when greatly compressed. This contrasts with spark-ignition engines such as a petrol engine or gas engine, which use a spark plug to ignite an air-fuel mixture. I do not see this as anything other than a motor designed to operate on bad gas. Military has always had motors that can operate on several different fuels.


The world will not be destroyed by those who do evil, but by those who watch them without doing anything. Remember what He has done and remember that He is not done yet!-- GOD IS GOOD
Re: Mercury optimax diesel [Re: B.Hollingshead] #10862321 05/21/15 11:40 PM
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B-rader Offline
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I bet it's heavy


A-RIGS , MAKING BAD FISHERMAN LOOK GOOD SINCE 2010
Re: Mercury optimax diesel [Re: B.Hollingshead] #10862345 05/21/15 11:53 PM
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PGR Mike Offline
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Gary is correct. Mercury has been building them for years for the Military. Especially the Navy.

Re: Mercury optimax diesel [Re: B.Hollingshead] #10862513 05/22/15 01:28 AM
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Allison1 Offline
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Its built exclusively for the military. Its built to be able to use odd fuels. It HAS spark plugs.

Its not an engine anyone would be buying for a recreational craft. Its mission is not to compete, just to operate on different fuels. I think it will do it but not as well as a gasser, be it 2 or 4 stroke.


Re: Mercury optimax diesel [Re: B.Hollingshead] #10862565 05/22/15 01:49 AM
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Bradshuflin aka hunter'sdad Offline
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Wonder if it requires Def fluid and how the exhaust system is done. With the regulations put on deisil trucks and semi's, might be the reason it's only available for the dod.

Re: Mercury optimax diesel [Re: B.Hollingshead] #10862649 05/22/15 02:28 AM
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Bugzout10 Offline
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does it have a 8 inch exhaust pipe


No Sharelunker and counting
Re: Mercury optimax diesel [Re: Bugzout10] #10863023 05/22/15 05:59 AM
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Jarrett Latta Offline
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Originally Posted By: Bugzout10
does it have a 8 inch exhaust pipe


Or a sticker that says oilfield trash....

Re: Mercury optimax diesel [Re: Allison1] #10875377 05/27/15 03:47 PM
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Originally Posted By: Allison1
Its built exclusively for the military. Its built to be able to use odd fuels. It HAS spark plugs.

Its not an engine anyone would be buying for a recreational craft. Its mission is not to compete, just to operate on different fuels. I think it will do it but not as well as a gasser, be it 2 or 4 stroke.



Only "Odd" if your not in the military. Thought the directive was all engines should be able to run on JP8 and/or 5, which would include many diesel engines. Wonder what the EPA will do to a commercial diesel outboard.

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