I believe that the problem with GL5 is overrated...many vanagons have had
that  incorrect oil in them for many moons with no obvious problems...I
highly recomend the Redline as a permanent oil...anything will work on a
temporary basis...I often tell customers that the best possible thing to
do is to put a cheaper synthetic in and then change the oil 1000 Mi after
a rebuild and THEN put the good stuff in there. Draining the oil when hot
of course..Happy motoring
Daryl of AA Transaxle
Duvall, WA.(Seattle area)
(425) 788-4070
1-877-377-0773 toll free
http://www.aatransaxle.com (web site)

On Sun, 22 Oct 2000 15:14:10 EDT Gary McEachern <glmce@HOTMAIL.COM>
writes:
> Hello
> I just drained the fluid out of a used 4 speed that I'm putting into
> my van
> and found the local FLAPS don't carry GL4 80 or 80/90 gear oil. I
> plan to
> switch to Redline MT90 in the near future.
>
> How damaging would it be to use the GL5 oil for the short term. I
> plan to
> switch to ther Redline in a few weeks after I verify the tranny I'm
> putting
> in is OK. (I don't have the Redline yet)
>
> Thanks
>
> Gary
>
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