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In a message dated 24-Jan-00 22:11:41 Eastern Standard Time, 
jh_davis@mindspring.com writes:
> Does the TR4 manual recommend 30w for the transmission? The TR6 manual
>  recommends GL4. 90w for over 30* F and 80w for under 30*. I promise I'm
>  not trying to start a new lubrication discussion, but I find it
>  interesting that there are different recommendations for transmissions
>  that are so similar.
>  Jim Davis
Right on, Jim.  The TR4 manual calls for the same as the TR6 (i.e. 90w 
Hypoid/Hypoy).  However it says nothing about the GL number.
I wonder what the GL number was in the '60's (I suspect that GL4 was it) and 
if GL5 (that's GL5) contains some additives which could cause a problem.  
Cheers.
Art Kelly
Art Kelly
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