Time to get started.

I probably missed it, Somebody already suggested it I'm sure. Leave the battery where it is and;

Considered turning your box around and pulling air off the cowl?

Cooler air in front of the windshield, and as long as you don't open your vent boxes, you pull "boost" off the cowl. Look above the firewall. That's a great place to pull intake air....

If you haven't already started cutting...

CJ