I run Redline MT90 in mine. Never heard of running MTL, although I
suppose its possible.

John Rodgers
88 GL Driver

Max Wellhouse wrote:

>        Listees:  Anyone have a feel for how often you should replace the
> Synthetic MTL Redline fluid in a rebuilt 4 speed in a 90 GL?  Seems like
> the old stuff(non synthetic)was to stay in there more or less for
> life.  Any input greatly apreciated as we approach 20k on the Weddle
> rebuild and I must say, it's working really well.
>
> Dimwitted Moose and Flying Squirrel
>