Good Information for 1970 ... but ... Welcome to the 21st Century ...
http://www.redlineoil.com/content/files/tech/Man%20Trans%20Lubes%20PDS%208-10.pdf
I am not being critical of anyone, but this stuff works ... There is
a section (at the home page) for engine oil, and differential oil ...
all of which I have used for many years.
oh yeah ... I have no Redline Stock ... 8-)
>All
>Have more info that supports our use of 80/90 wt oil in the
>transmission/OD units. Have a factory repair and operations manual.
>Published by, " Triumph Motor Company Ltd, Coventry England" part #
>545277, published 1972.
>
>With respect to transmission and OD lubrication it says...
>Gearbox and overdrive over 30 deg F - BP Gear oil SAE 90 EP
> below 30 " " - BP Gear oil SAE 80 EP
>Both are API GL4
>
>As I remember there is a communication port (hole) between the trans
>and OD units (at least on the 'A' type units). Different weight oils
>in the respective units will mix with time and become whatever they
>mix to. Transmissions are the same from TR2 through TR3A's. 3B
>through 4's had 1st gear synchronized and possibly caged needle
>bearing rather than free floating ones in the counter shaft, lot of
>broom handles were saved there by not needing them for bearing
>support on reassembly, and different shift lever on the TR4's.
>Strongly suspect TR6 trans is the same as Late TR4 boxes but have
>never had one apart (mine hasn't broken yet).
>
>This is sort of a FWIW thing. People can use whatever they are
>comfortable with. I'm with Bruce using 80/90 wt. Times and
>lubricants have changed, may be a 'hotter set up' out there, but
>this is what the book of the time said.
>Bill
>'70 6
--
"Thinking is the hardest work there is. That's why so few people
undertake it." - Henry Ford
Bill Pugh
1957 TR3
"Casper"
TS16765L
Wallace, CA
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