[TR] only GL-4?

[Bob]

On Saturday 28 March 2009 17:27:10 dorpaul wrote:
> I found a SAE 80W-90 Gear Oil for API Service GL-5, GL-4 and GL-3 for less
> than $5 a quart.  However, is it necessary for me to find it for only
> "GL-4" service for it to be used in my rear axle/ non-OD transmission?
>
> Thanks, Paul Dorsey  60 TR3
Paul,

I would go with a straight GL-4. GL-5 is not good for brass/copper bushings in 
your transmission.

I picked up a gallon of straight GL-4 at Napa for about 20$.

Bob