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Max Online: 36273 @ 01/23/13 02:34 PM
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#10861984 - 05/21/15 04:23 PM Mercury optimax diesel
B.Hollingshead Offline
Extreme Angler

Registered: 03/11/09
Posts: 2008
Loc: ft.worth
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
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#10861998 - 05/21/15 04:26 PM Re: Mercury optimax diesel [Re: B.Hollingshead]
manhunter Offline
Pro Angler

Registered: 08/17/09
Posts: 605
Loc: Garland, TX
I know one thing, the issues with ethanol go bye bye.
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#10862221 - 05/21/15 05:54 PM Re: Mercury optimax diesel [Re: B.Hollingshead]
BMCD Offline
TFF Team Angler

Registered: 11/01/02
Posts: 4058
Loc: Katy, Texas US
Yes but how many years will the extra 5k take to recoup your savings. And resale.... i can read all the future posts now.

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#10862231 - 05/21/15 06:00 PM Re: Mercury optimax diesel [Re: B.Hollingshead]
SAKS Offline
Extreme Angler

Registered: 07/23/14
Posts: 1001
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.

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#10862238 - 05/21/15 06:02 PM Re: Mercury optimax diesel [Re: SAKS]
B.Hollingshead Offline
Extreme Angler

Registered: 03/11/09
Posts: 2008
Loc: ft.worth
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
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Branden Hollingshead

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#10862243 - 05/21/15 06:04 PM Re: Mercury optimax diesel [Re: B.Hollingshead]
lizardfliper Offline
Angler

Registered: 02/05/09
Posts: 335
LIKE TO SEE IT IN A 250

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#10862261 - 05/21/15 06:13 PM Re: Mercury optimax diesel [Re: B.Hollingshead]
Frank the Tank Online   content
TFF Guru

Registered: 02/27/13
Posts: 22258
Loc: Rockwall & a lake somewhere
I'd take a 200 and I bet it would last a LONG time
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#10862299 - 05/21/15 06:32 PM Re: Mercury optimax diesel [Re: B.Hollingshead]
gary purdy Online   content
TFF Guru

Registered: 05/24/03
Posts: 11401
Loc: Littlefield Tx & Lake A. H. US...

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.
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#10862321 - 05/21/15 06:40 PM Re: Mercury optimax diesel [Re: B.Hollingshead]
Brad Hardt Offline
TFF Team Angler

Registered: 03/16/10
Posts: 4011
Loc: Paradise, TX
I bet it's heavy
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#10862345 - 05/21/15 06:53 PM Re: Mercury optimax diesel [Re: B.Hollingshead]
PGR Mike Offline
TFF Guru

Registered: 05/30/03
Posts: 12332
Loc: Denton, Tx, USA
Gary is correct. Mercury has been building them for years for the Military. Especially the Navy.

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#10862513 - 05/21/15 08:28 PM Re: Mercury optimax diesel [Re: B.Hollingshead]
Allison1 Offline
TFF Guru

Registered: 12/14/03
Posts: 18360
Loc: Grand Prairie, Tx
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.

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#10862565 - 05/21/15 08:49 PM Re: Mercury optimax diesel [Re: B.Hollingshead]
Bradshuflin aka hunter'sdad Offline
TFF Celebrity

Registered: 10/05/10
Posts: 9666
Loc: Sanger, Tx/ Chatham, La
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.
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#10862649 - 05/21/15 09:28 PM Re: Mercury optimax diesel [Re: B.Hollingshead]
Bugzout10 Offline
TFF Team Angler

Registered: 06/23/13
Posts: 4327
Loc: Above ground
does it have a 8 inch exhaust pipe

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#10863023 - 05/22/15 12:59 AM Re: Mercury optimax diesel [Re: Bugzout10]
Jaret Latta Online   content
TFF Celebrity

Registered: 01/06/07
Posts: 7503
Loc: Austin, Tx/Nacogdoches, Tx
Originally Posted By: Bugzout10
does it have a 8 inch exhaust pipe


Or a sticker that says oilfield trash....

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#10875377 - 05/27/15 10:47 AM Re: Mercury optimax diesel [Re: Allison1]
BMCD Offline
TFF Team Angler

Registered: 11/01/02
Posts: 4058
Loc: Katy, Texas US
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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