Again I am in 100% agreement with Randy. I have tried both the MTL and MT
90 in both my 100 and the Elva Courier (MGA transmission) and like the way
the 90 feels. The shifting seems to be just a bit more positive and since
I race the Elva I figure that heavier viscosity is a good thing to deal
with higher transmission oil temps. And using Castrol in any grade many
shifts were noisy and balky.
Best--Michael Oritt
--------------------------------------
In a message dated 11/16/2009 12:02:39 P.M. Eastern Standard Time,
Healey100M@gmail.com writes:
Seems to me that you are mixing apples and oranges here.
MTL is an 70/80 wt gear oil with the same viscosity as 5/30 wt. engine oil
MT90 is a 75/90 wt. gear oil with the same viscosity of 15/40 wt. engine
oil,
so the change isn't from 30 wt to 90 wt.
I use MTL in the BJ8 and have found the MT90 works better in the 100's.
100's
just leak the MTL out too much! :-)
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