Unknown OMC engine - 186HP

trendsetter240

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Jun 22, 2009
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1,458
Can anybody tell me what model this OMC engine is? I'm considering buying cheap and parting it out. Without driving an hour or two all the details I can get are it's mid 70's vintage OMC and it's 186HP.


Here is a pic of the outdrive:

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Cheers
 

Bt Doctur

Supreme Mariner
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Aug 29, 2004
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19,349
Re: Unknown OMC engine - 186HP

Most likely the 302 Ford, may also be the 351 Ford,might even be a Chevy 283,305,327
hard to tell from the ENGINE PIC. Drive is OMC,and I`ll bet the boat is a old Stamas 22-25ft
 

trendsetter240

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Re: Unknown OMC engine - 186HP

Most likely the 302 Ford, may also be the 351 Ford,might even be a Chevy 283,305,327
hard to tell from the ENGINE PIC. Drive is OMC,and I`ll bet the boat is a old Stamas 22-25ft

Thanks for the info. The boat is a 24ft Bayliner Saratoga if that helps.
 

Gary H NC

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Dec 1, 2005
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8,972
Re: Unknown OMC engine - 186HP

OMC Stringer outdrive....Is it worth the hassle of parting it out?
 

trendsetter240

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Re: Unknown OMC engine - 186HP

OMC Stringer outdrive....Is it worth the hassle of parting it out?

Ahh..so this is the dreaded stringer drive. No, I don't think it will be worth it. I'm not going to bother even checking it out now.

Thanks for your help guys.
 

ECVCHAMP

Seaman
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Mar 2, 2010
Messages
67
Re: Unknown OMC engine - 186HP

It looks like an 800 to me. Water intake on the side of the drive. soo - 78-86?
 

Howard Sterndrive

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Nov 5, 2008
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4,603
Re: Unknown OMC engine - 186HP

that's an OMC 800 series drive, (first introduced in 1978)
OMC never had any model rated at 186HP. they had a couple of different models at 185HP (a V6, and a V8 - both Chevrolet based) mated to that drive.
hard to say what might be there once you get to the boat
 

starsnstripers

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Nov 30, 2007
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1,330
Re: Unknown OMC engine - 186HP

Yeah OMC 800 I think the 302 ford was 188hp in that era. is the engine a gm or ford? were there any buick engines of that time? I have a 1966 buick v6 that is the 155hp in front of a Stringer drive. Take some engine pics for us.
 
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