Thanks for the suggestions.

I have a sunroof, so the '85 van "T" style evap forward unit is out.

I have been studying the idea of routing the the aftermarket unit into an overhead mounting.

The '85 overhead evap unit is really pretty big compared to this aftermarket unit.

Here is another question:  Why not have a second condenser underneath and more radiator core for the engine cooling up front?  Wouldn't that eliminate a whole bunch of "on the edge" cooling issues with AC performance on these vehicles?

Kim Springer
'89 2WD Tristar