Greetings,
Lubricant technology has come a long way since our cars were born.
Using modern oils and viscosities can usually improve wear and tear,
and performance of our mechanicals. Think temperature and tolerance.
If the average temp is on the higher side, use a heavier oil. If
there is some tolerance, the same.
Since my british cars are driven mostly in the summer, i use 20W50 in
the engine. And usually use 85W in the manual transmission and rear
axle, along with a modern additive to help the synchros work better.
One of my cars (not TR) has a limited slip differential, so that
changes the formula somewhat. It doesn't hurt to experiment. Just
remember that the worst thing you can do is run hot with low oil.
dimitri
On 1-Apr-11, at 8:58 AM, trsix74@comcast.net wrote:
> There are many answers to this question. In some books it
> recommends 30W, other vesions it shows 90W. Some TR repair experts
> have the same opinions. My local man who has been repairing LBC's
> for over 30 years says Triumphs use 90 w and Mg's use 30w.
>
>
>
> I have been driving my TR3A with a 1968 OD gearbox for 5 years now
> with 90w. I replace the oil yearly, only because in the winter I
> get bored, start feeling like need to do something to extend the
> life of my car and I enjoy the mess I make!
> _______________________________________________
>
> 6pack@autox.team.net
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> dimikouts@sympatico.ca
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