Tom,  I use Redline MT90 and have for a long time. I'm really happy with
it. Here is a link to the site. There is a dealers list and a mailorder
dealer list. You might check with truck mechanics or trucking repair
facilities.

http://www.redlineoil.com/

John Rodgers
88 Gl Driver

Tom Davis wrote:

>Richard & all
>       I have looked far & wide for the GL-4 in my area (I'm in northeast
>Tennessee). & can't find a drop. Any suggestion as to how the get my grubby
>little hands on some?
>
>TIA,
>Tom
>
>
>