Walt, I agree with everything Bob Lang said. I tried the GL-5 stuff,
and my transmission was very hard to shift particularly between 1st and
2nd, something I didnt experience with whatever was in there by the PO,
so I switched to Redline MT-90. When I dumped the GL-5 it ran a gold
color, probably bronze material from the synchros. My transmission
shifts so much better now.
John - 1976 TR6 non-OD
Walt wrote:>
I've been told that the correct gear lube for a tr6 transmission is
80-90W
GL4 gear lube. How critical is the GL4 rating. Can it be GL4-5-6 rated?
I've
talked to a couple shops and they use Castrol 80-90W.
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