I thought about the carpet, but figured if I did it I would use the late model console as well. And I know people have used those in A-Bodies so I would guess the seats would fit?
Here's the car with a seat in it:
Didn't notice the lack of seatbelt bolts. In the first picture, the tunnel wasn't welded in so I would bet he added them afterwards.
Curious how my project is going or the one I linked with the late model tunnel?