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75w140 Durablend in tranny

To: spridgets@Autox.Team.Net, mgs@Autox.Team.Net
Subject: 75w140 Durablend in tranny
From: "Editors, Molecular Vision" <jboatri@emory.edu>
Date: Mon, 23 Mar 1998 11:41:51 -0500
Reply-to: "Editors, Molecular Vision" <jboatri@emory.edu>
Sender: owner-spridgets@Autox.Team.Net
For those of you following the various threads on what oil to put into your
transmission, you may want to stick to the suggested 20w50 motor oil. I
have been using Durablend 75w140 semi-synthetic gear oil for about 8 months
without problem. Shifts were just as easy (and in fact better for reverse),
and the gearbox sounded quieter. However, because of the recent discussion
on mgs@autox stating that sulphur compounds might corrode copper
synchromeshs, I wrote Valvoline, and here is their respsone:

>Mr. Boatright:
>
>     Thank you for writing us at the Valvoline Company.   The Durablend
>does contain sulphur phosphorus additives, and is GL-5 rated.   It is
>possible for the additive package in a GL-5 to be corrosive to yellow
>metals.
>Thanks again.
>Travis McMillan, Valvoline Tech Services

So, it would appear that Valvoline does not suggest the use of Durablend in
our transmissions.



Jeffrey H. Boatright, PhD
Senior Editor, Molecular Vision
http://www.emory.edu/molvis
jboatri@emory.edu
(404) 778-4113 Phone
(404) 778-2231 FAX




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