Re: [OMC-Boats] OMC Type C lab testing

I always heard that the dielectric properties are what makes type C
different. But I'll tell you where my concern came from. Today being
Sunday, I couldn't go to the boat shop to get OMC Type C gear lube. I
had 3 tubes of Sierra brand type C, which I was comfortable with. But
the local hardware store had tubes of marine gear lube that was marked
suitable for Type C applications. I was shocked they had it, so I
grabbed a couple tubes, just in case. It was cheap too. I think it was
Citgo branded. Anyhow, while it says type C on the front, on the back,
in smaller print it said something to the effect of "Not suitable for
use in some older electric shift outdrives that require Dextron II or
Dextron III fluid." So that gave me reason to pause. Why would it be
Type C yet not be suitable for some electric shift models? Anyhow,
that was the reason I asked.

On Sun, Aug 30, 2009 at 5:04 PM, Lee Shuster<lks@...> wrote:
>
> One other note I forgot to mention.
>
> My Dad, who introduced me to boating holds a Chem Eng degree for Ohio State.
> He worked his entire career for Ashland Oil, the parent company of
> Valvoline.
>
> Back in the sixties, we owned an electric-shift J/E V4. My Dad was also
> curious about the "mysterious" OMC Type C lubrication requirement and had a
> sample tested by the Valvoline engineering labs.
>
> They reported back (and I don't have their response) that their testing
> revealed some amazing qualities:
>
> What I remember in their report was:
>
> 1) very high diaelectric (non-conductive) properties (that makes sense) and
> 2) excellent anti-corrosive properties.
>
> I can't recall if they ever "reverse engineered" and offered their own Type
> C product, but they were extremely impressed.
>
> Just buy the right stuff and be done with it, No biggie.
>
> Lee
>
>
>
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Received on Sunday, 30 August 2009