Re: [OMC-Boats] OMC Stringer Generation Naming

YEah and there's lots more to come.

Look at the pictures in detail on the link I sent:

My boat's transom had reinforcement (marine plywood) glassed in to
provide adequate support for Bennett Trim tabs.

On Aug 31, 2009, at 9:25 PM, Justin DeSantis wrote:

> Very interesting Lee. I'm learning all sorts of stuff here. My transom
> appears to already have plywood on either side of the doghouse. Not
> sure about the area around the hole though. So if my transom doesn't
> have wood the entire length, I can't mount trim tabs either? Am I
> correct in assuming that the wood in the transom getting soft isn't as
> big of an issue as it is in other boats since it isn't structural?
>
>
>
> On Mon, Aug 31, 2009 at 11:18 PM, Lee Shuster
> (lib1)<lib1@...> wrote:
>> As in all things OMC they evolved or were constantly improving their
>> product. The original "ROUND" aperture seal is mow obsolete (NLA).
>> These
>> were used until mid 69 or 70. Once in a blue moon you might see a
>> NOS one
>> pop up on eBay, but not often.
>>
>> The ROUND seals were replaced by an improved RECTANGULAR seal which
>> IS STILL
>> available.
>>
>> It's possible to get VERY decent life out of these especially on
>> non-trimming Gen-I + II units (longer life cycle than the beloows
>> you speak
>> of).
>> Keep it clean and hit it often with Armor-All. (Do check it for
>> potential
>> leaks when you do get in the lake.)
>>
>> (There are also infamous stories of boats sinking when left moored
>> unattended and muskrats or beavers decided to chew thru the rubber.)
>>
>> BTW, if you ever have the occasion to have the intermediate unit
>> and /or
>> powerhead out, you can modify the round aperture to accept the still
>> available rectangular seal.
>> Here's pics of how I did it on my 66 Evinrude (scroll down and
>> click to zoom
>> in):
>>
>> http://hhscott.com/evinrude/chevy_v8.htm
>>
>>
>> On Aug 31, 2009, at 8:29 PM, Justin DeSantis wrote:
>>
>>> Ok, so with only the one hole, the Stringers don't really have
>>> "bellows" like most other I/O's and therefore have less chance of
>>> taking on water from a failure? And while we're on the subject, does
>>> the boot thing have a replacement cycle like bellows do? Is a new
>>> one
>>> even available?
>>>
>>> And about the cooling thing you mentioned... So should I pop those 2
>>> caps off and try to seal them? Make a new gasket perhaps, and maybe
>>> use a little silicone? The one on the drivers side leaks, ever so
>>> slightly. Just a little drop here and there. The other one seems
>>> to be
>>> sealed. And what is my point of entry to get the excess grease
>>> cleared
>>> out?
>>>
>>>
>>>
>>> On Mon, Aug 31, 2009 at 10:18 PM, Lee Shuster<lks@...>
>>> wrote:
>>>>
>>>> Drawbacks -- yeah, primarily the boat builders want their life
>>>> made easy.
>>>> They wanted an industry standard mounting system.
>>>> OMC dominated the I/O market and Outboard market during the hey
>>>> day of
>>>> electric shifts. Things began to go down hill in my opinion with
>>>> the
>>>> introduction of the Gen-4's.
>>>> The more you learn about these units the more you begin to
>>>> appreciate
>>>> their
>>>> design.
>>>> Just repeat after me tell all your Merc Alpha/Bravo friends this:
>>>> "No other sterndrive tilts higher, runs quieter, turns tighter,
>>>> steers
>>>> smoother, or shifts easier than a well-running OMC electric-
>>>> stringer..."
>>>> (Actually don't tell anyone -- then there will be more orphans
>>>> for us to
>>>> rescue!)
>>>>
>>>>
>>>>
>>>> On Aug 31, 2009, at 8:00 PM, Justin DeSantis wrote:
>>>>
>>>> Ok, that makes perfect sense. Also seems like a good idea. But it
>>>> must
>>>> have some drawbacks given that the idea didn't catch on and I
>>>> assume
>>>> isn't still in use today.
>>>>
>>>> On Mon, Aug 31, 2009 at 9:49 PM, BLDFW<bldfw@...> wrote:
>>>>
>>>> ya. It's because the outdrive is attached to the support
>>>> "stringers" via
>>>>
>>>> the intermediate housing and engine. It is not attached to the
>>>> transom
>>>> like
>>>>
>>>> other boats. There is no weight supported by the transom. If
>>>> you'll
>>>> note
>>>>
>>>> (at least on mine), there is no wood or other thickness to the
>>>> transom.
>>>>
>>>> It's just the thickness of fiberglass and not capable of
>>>> supporting any
>>>> kind
>>>>
>>>> of weight.
>>>>
>>>> -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 Stringer Generation Naming
>>>>
>>>> To: "Evinrude & Johnson Boats of the 1960's and 70's"
>>>>
>>>> <omc-boats@...>
>>>>
>>>> Date: Monday, August 31, 2009, 8:31 PM
>>>>
>>>> Did we already cover why they call them "Stringers" to begin with?
>>>>
>>>> I've been wondering that. I think I saw an explanation once, but
>>>>
>>>> didn't read it carefully, and I haven't found it again.
>>>>
>>>>
>>>>
>>>> On Mon, Aug 31, 2009 at 8:28 PM, Lee Shuster<lks@...>
>>>> wrote:
>>>>
>>>> I've been thinking of breaking down the OMC Stringer Sterndrives
>>>> in broad
>>>>
>>>> "GENERATIONS" of families to help make it easier to know what were
>>>> talking
>>>>
>>>> about. The recommended lube discussion got me to thinking.
>>>>
>>>> I'm very fuzzy on the 1978 - 1986 (non-electric shift) Stringers.
>>>> But all
>>>>
>>>> Stringers share basic design features: Ball gear drive, floating
>>>>
>>>> intermediate housing, 75-degree power tilt, 120-degree steering,
>>>> stringer
>>>>
>>>> mounting that transfers thrust to non-transom structural members
>>>> of boat
>>>>
>>>> (stringers).
>>>>
>>>>
>>>>
>>>> =
>>>> =
>>>> =
>>>> =
>>>> =
>>>> =
>>>> =
>>>> =
>>>> =
>>>> =
>>>> =
>>>> =
>>>> =
>>>> =
>>>> =
>>>> =
>>>> =
>>>> =
>>>> =
>>>> =
>>>> =
>>>> =
>>>> =
>>>> =
>>>> =
>>>> =
>>>> =
>>>> =
>>>> =
>>>> =
>>>> =
>>>> =
>>>> =
>>>> =
>>>> =
>>>> =
>>>> ===================================================================
>>>>
>>>> From an original OMC BOAT-OWNERS perspective things are pretty
>>>> simple:
>>>>
>>>> Our
>>>>
>>>> boats were all Gen-Zero, Gen-I or Gen-II powered.
>>>>
>>>> 1962 - 1965 Gen Zero = Outboard powered (the 1962 -
>>>> 1968
>>>>
>>>> high-end OMC-E/J outboards" 40, 75, 90, 100 hp featured available
>>>> electric
>>>>
>>>> shift lower units)
>>>>
>>>> 1962 -1968 Gen One = The 1st OMC 480, 488, and 490
>>>>
>>>> two-stroke,
>>>>
>>>> "bullet-shaped" split gearcase lower unit. (Also used very
>>>>
>>>> sparingly/rarely
>>>>
>>>> on a few 1964-65 110 hp I-4 Chevy II) Built from Electric Shift,
>>>> Type C
>>>>
>>>> gear case lube.
>>>>
>>>> 1964 - 1973 Gen Two = The "big brother" large
>>>> gearcase,
>>>>
>>>> one-piece gearcase, 14-inch prop. Used on 120, 150, 155, 165 185,
>>>> 200,
>>>>
>>>> 210,
>>>>
>>>> 215, 225, 235, 245 GM engines. Four-bolt top caps (shimless) from
>>>> 1964
>>>>
>>>> -1967-1/2. Five-bolt from late 1967 to
>>>> 1973 used
>>>>
>>>> shims. Electric Shift, Type C gear case lube.
>>>>
>>>> 1973 - 1977 Gen Three = This generation introduced
>>>> Ford V8
>>>>
>>>> engines 175, 190 and 235, along with the SelecTrim option on
>>>> inline GM
>>>>
>>>> engines. TruCourse steering appeared, as did the shorter profile
>>>> drive,
>>>> to
>>>>
>>>> permit mounting the engine
>>>> lower.
>>>>
>>>> Down-firing exhaust rudder. Electric Shift, Type C gear case lube.
>>>>
>>>> 1978 - 1981 Gen Four = The 400 (120 - 140 ) 800 (all
>>>>
>>>> V-engines)
>>>>
>>>> thru-prop exhaust lower gearcase adapted from outboards, featuring
>>>>
>>>> Visible
>>>>
>>>> styling changes to exhaust housing. All are "short-leg." are
>>>>
>>>> Hydro-assisted-mechanical shift,
>>>>
>>>> OMC
>>>>
>>>> Hi-VIS gear case lube
>>>>
>>>> 1982 - 1986 Gen Five = Similar to Gen Four but without the
>>>>
>>>> Hydro-assist.
>>>>
>>>> OMC Hi-VIS gear case lube
>>>>
>>>>
>>>>
>>>> =
>>>> =
>>>> =
>>>> =
>>>> =
>>>> =
>>>> =
>>>> =
>>>> =
>>>> =
>>>> =
>>>> =
>>>> =
>>>> =
>>>> =
>>>> =
>>>> =
>>>> =
>>>> =
>>>> =
>>>> =
>>>> =
>>>> =
>>>> =
>>>> =
>>>> =
>>>> =
>>>> =
>>>> =
>>>> =
>>>> =
>>>> =
>>>> =
>>>> =
>>>> =
>>>> =
>>>> ===================================================================
>>>>
>>>> _______________________________________________
>>>>
>>>> OMC-Boats mailing list
>>>>
>>>> OMC-Boats@...
>>>>
>>>> http://lists.ultimate.com/mailman/listinfo/omc-boats
>>>>
>>>> _______________________________________________
>>>>
>>>> OMC-Boats mailing list
>>>>
>>>> OMC-Boats@...
>>>>
>>>> http://lists.ultimate.com/mailman/listinfo/omc-boats
>>>>
>>>> _______________________________________________
>>>>
>>>> OMC-Boats mailing list
>>>>
>>>> OMC-Boats@...
>>>>
>>>> http://lists.ultimate.com/mailman/listinfo/omc-boats
>>>>
>>>>
>>>> _______________________________________________
>>>> OMC-Boats mailing list
>>>> OMC-Boats@...
>>>> http://lists.ultimate.com/mailman/listinfo/omc-boats
>>>>
>>>>
>>>> _______________________________________________
>>>> OMC-Boats mailing list
>>>> OMC-Boats@...
>>>> http://lists.ultimate.com/mailman/listinfo/omc-boats
>>>>
>>>>
>>> _______________________________________________
>>> OMC-Boats mailing list
>>> OMC-Boats@...
>>> http://lists.ultimate.com/mailman/listinfo/omc-boats
>>
>>
>> _______________________________________________
>> OMC-Boats mailing list
>> OMC-Boats@...
>> http://lists.ultimate.com/mailman/listinfo/omc-boats
>>
> _______________________________________________
> OMC-Boats mailing list
> OMC-Boats@...
> http://lists.ultimate.com/mailman/listinfo/omc-boats
Received on Tuesday, 1 September 2009