Royal Purple Synthetic ATF is the one I like.
I can even sucl 2 and a half qts out of the dipstick tube, refill with
Royal Purple ATF ..
and right off, it shifts and goes better, with just that minor
take-out-some-old, fill with some new high gradestuff.

re the first post .........'clutch material that may be helping you' ..
that's what Trans-X is for.

On 2/26/2013 8:45 PM, Robert Stevens wrote:
> When I had a '91 AT Westy, I changed the screen and lube at about 80K mi
> and it made the shifting much more crisp, and much less sluggish when cold
> in winter (Salt Lake City) temps at startup, before warmed up.
> IIRC, it was Redline I changed to, which may no longer be best. I'd strongly
> suggest using a good (Swepco?) synthetic.
>
> Bob
>
> On Feb 26, 2013, at 9:16 PM, Spencer Allen <spencervw@AOL.COM> wrote:
>
> I don't remember for certain but some time (years) ago there was talk about NOT changing the fluid in an auto tranny because it would have a negative effect. Can someone  post the latest word on when or if to change the AT fluid. I have a auto 85 Westy with 86K and I don't think the trans has ever been serviced. Thanks for any info.
> Spencer
>