Yeap, I have confirmed this through checking the trans cooler lines themselves. So in effect I had mine going through the Aux. Cooler first.Normally the Trans Line Out/Feed goes in the Bottom of Rad.
This diagram looks to be reverse? >> http://perfauto.tripod.com/data/4-096.pdf
Trans Fittings:
Top = Out/Feed to Cooler.
Bottom = In/Return from Cooler.