Okay, so the initial bench tests of the front condenser blower I found are very encouraging. It is quiet and moves alot of air. It can be located where I want it (where the original system blower was). It is a blower from a Marine Heater application. Here are the specs:
I got at Summit Racing for ~$100 delivered. I plan to wire it for highest speed with a PWM that I have to adjust it down if needed.
I am working on an adapter piece to go between it and the original mounting points. It will have a hole matching this unit's output hole and closing off a little of the original hole. Foam tape will be between any mounting surfaces.
Proposed orientation:
