Re: (ET) E-20 Transmission Oil Recommendations

[John Casey <jjcrmc optonline net>]

Chris:
Many thanks.  I'm going back to plain old gear oil right away.
Jack
----- Original Message ----- 
From: "Chris Tromley" <chris_t microtrac com>
To: <elec-trak cosmos5 phy tufts edu>
Sent: Wednesday, February 23, 2005 4:35 PM
Subject: RE: (ET) E-20 Transmission Oil Recommendations


> John Casey wrote:
>
> > Like you I live in a snow zone.  A few years ago Bill told me
> > to use 85-140 gear oil.  I did and it ran fine.  Lots of guys
> > on this list use synthetic oil and thought I'd try it.  I
> > have no doubts about Mobil 75-90 synthetic as a lubricant but
> > think my trans a bit noisier than with the heavier gear oil.
>
> Hi Jack,
>
> This is the first mention I've seen regarding synthetic transmission oil
in
> ETs.  I talked to Mobil some time back about using it in an older car.
They
> told me that seal compatibility can be an issue.  Around 1980 the seal
> manufacturers changed their materials to be more compatible with
synthetics.
>
> That casts some doubt on using it in an ET.  Can anyone here specifically
> say they tried it and it works fine?  No leaks?  I can see getting a
little
> more noise when using a lighter oil, but leaks are a different issue.  
> I'd
> really rather not have to replace seals.
>
> BTW, Sta-Lube makes a handy little plunger pump that screws into the jug
of
> oil and pumps it through a hose into the trans.  You should be able to
find
> them at Pep Boys, Auto Zone, etc.
>
> Chris Tromley
> near Philadelphia  PA  USA
>
> 100% Gas-Free Yard Equipment:
> * Avco New Idea EGT 150 electric tractor
>   with mid-mount mower deck and snow blade
> * B&D corded electric mower and string trimmer
> * Patriot 1.5 hp electric chipper/shredder/vac
> * Remington Garden Wizard corded electric tiller
> * Craftsman corded electric snow thrower
>
>
>
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