That's not entirely correct, the routing is through the auxillary cooler *first* and *THEN* into the radiator... The reason for this is to ensure the temperature is fairly stable, plus have a slight cooling effect on the coolant (since it should cool below operating temp in a huge multipass tranny cooler)... This is especially true if you're in cooler climates during the winter...
My favorite style is stacked plate... It's the most efficient from a heat exchanger type point of view, etc...

My favorite style is stacked plate... It's the most efficient from a heat exchanger type point of view, etc...
