It could also just be the chain of development...i.e Henry Ford's use of letter designations (Model T, ...).  Its  common for part numbers to increment the suffix to designate a design change.  Usually the suffix has at least two characters: - AA would be the first release, -AB would indicate a minor design change, -BA would indicate a major design change.  Not always, but typical and not unlike software being released as version 2.3, etc. 
----- Original Message ----- 
From: "BLDFW" <bldfw@...> 
To: "Evinrude & Johnson Boats of the 1960's and 70's" <omc-boats@...mate.com> 
Sent: Monday, August 31, 2009 4:42:04 PM GMT -05:00 US/Canada Eastern 
Subject: Re: [OMC-Boats] OMC Type A 
That's what I take it for. 
-Bill 
Dallas, TX 
1970 Evinrude Explorer - 155 Buick V6 - OMC Sterndrive 
http://www.photobucket.com/evinrude_explorer 
--- On Mon, 8/31/09, Justin DeSantis <duc1098desmo@...> wrote: 
From: Justin DeSantis <duc1098desmo@...> 
Subject: Re: [OMC-Boats] OMC Type A 
To: "Evinrude & Johnson Boats of the 1960's and 70's" <omc-boats@...mate.com> 
Date: Monday, August 31, 2009, 2:35 PM 
Could be. But is it just OMC speak for marine grease? 
> "A" = Affordable? 
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Received on Monday, 31 August 2009
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