Ok guys.....some more work on this. As I mentioned earlier, these cars could not be bought with a heater. This required modifying the firewall:
I then had to fill the vacant spot where the heater box was, and then add the bolts back since there was just a block off plate installed instead of the heater box on the 1:1.
Here is a picture of it in the car:
Ohhh, by the way... this project is finished now. Look for a thread in the completed section shortly.