Thanks, Gordon. @DannyP, you're right, my old air-cooled IM is very different. I think what Gordon was suggesting was that the idea of moving the battery into the nose and rebuilding the battery box to house a heat exchanger might be useful. There were also a few things I did with air ducting that might be helpful if someone wanted to take that approach.
Here's the first part:
Moving the battery:
Adding air vents in the dash (and underneath):
That's probably most of the potentially useful links regarding moving air around. I ran the ductwork along the inside top of the fenders. This design gives you fresh air only - no recirculation.