GL-5 Gear oils...GL-4 to be used ?

["\"Mr. Mike\" Passaretti" <passaretti@sol.med.ge.com>]

>>>>> "Metwrench" == Metwrench  <Metwrench@aol.com> writes:

    Metwrench> Is it true that my 80 Spitfire Transmission
    Metwrench> with OD should be filled with GL-4 rated gear
    Metwrench> oil, and NOT GL-5 like I thought ? Can anyone
    Metwrench> help me with this ? I had heard this through
    Metwrench> the Grapevine and I don't know how accurate
    Metwrench> this is.

FWIW, I've heard the same thing about my TR-4 with A-Type OD.
I bought a big-old jug of Castrol GL-4 to use in it based on
my local mechanic's recommendation.
                                                        -MM