Bob,
To clarify (in my mind anyway), the 75W140NS was for your TD - right?
I wonder about going to a higher viscosity, just to quieten a noisy
first gear.
I do use, and recommend, Redline MT-90 in my TD transmission based on my
subjective sense of much improved shiftability. NOT, I hasten to add,
on any personal technical depth whatsoever!
And let me tack on another question for you and the list.
The transmission takes .710 litres of MT-90. The differential takes 1.3
litres of Redline 75W90. So I end up buying 1 U.S. quart of MT-90 and 2
of 75W90.
My question is - Could I use MT-90 in the differential? That way 2
quarts of MT-90 would do the whole job. Maybe Skip Kelsey would be kind
enough to give an opinion.
Ted Jackson
1951 MGTD #5554
NEMGTR #12011
Bob D. wrote:
> I finally got around to trying some heavier oil in the tranny, Red Line
> 75W140NS. No problem shifting into first on a six hour drive in mid 80s
> temperature. I don't know why, but this heavier oil really helped.
>
> Here's an interesting quote from the back of the bottle "Also, certain
> transmissions which have notchy shifting especially when warm may benefit
> from the 75W140NS."
>
> BTW: Shadetree Motors carries this oil.
>
> Bob Donahue (Still stuck in the '50s)
> Email - bobmgtd@insightbb.com
> 52 MGTD - NEMGTR #11470
> 71 MGB - NAMGBR #7-3336
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