wrote:

> Going a little further, I have to service my 1997 Van with the 727 tranny
> soon.
> Would the AFT+4 quality fluid be advisable??

No. Just use Dexron. The 727 was designed for Dexron-like fluid and
is known to run forever on it, so don't risk anything else. I wouldn't
even bother with synthetic Dexron but instead would install an external
transmission oil cooler.