Gary Nafziger wrote:
> I know, I know, I need to listen and take notes when things
> appear but what was the correct oil for the tranny again?
> TR-6. Thanks a million.
Assuming that you do *NOT* have overdrive, a GL4-spec
80W90 gear oil is the conventional oil to use. This is
not particularly expensive, even if it is somewhat difficult
Do NOT use a GL5 oil, as this is corrosive to the brass
components in the gearbox. This is the gear oil that
you will find all over the place.
If you have a leak-free gearbox (or deeper pockets)
you may want to go to a synthetic gear oil. I have
heard good things about Redline MT-90, which is specially
formulated for manual transmissions, and is not corrosive
to brass components.
For overdrive transmissions, a different oil is called
for. I'll leave the discussion of oils in OD trannies
to those who actually own OD Triumphs! (If anybody out
there has a J-type overdrive for a TR6 that they would
like to go to a good home, I have just the car for it...)
'74 TR6 Daily Driver
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