NAPA carries a GL4 oil.  Personally I like Red Line MTL.

Steve

Sent from my iPhone

On May 14, 2013, at 4:15 PM, Jeff Lincoln <magikvw@GMAIL.COM> wrote:

> So during my clutch project I had planned on also replacing the gear oil in
> the trans. Well, I did not do it because I have seen many sources that say
> use GL-4 only and do not use GL-5 or the GL-4/GL-5 combination.
>
> So here is my question - assuming that information is accurate (and I
> believe it is based on the sources) - where in the HECK does one find GL-4
> gear oil???? I have looked everywhere locally and all I can find (FLAPS and
> small places alike) are either GL-5 only or the GL-4/GL-5 combination.
>
>
>
> Thanks,
>
> Jeff
> '85 GL (Gertie)
> '78 Bus (Melissa) Patty's Bus