Nice job on the car. As for the passenger airbag not fitting correctly, I too had the same issue from a dash I bought out of a wrecked car. I didn't realize this was going to happen until I installed everything. The way I fixed it was I took a good length of 2x4, about 24" or so and with the passenger seat out, I kinda knelt down in the rear seat area and used a heavy duty sledge hammer on the wood. It only took a few small swings to get it right on the money. Oh, and you'll need someone to hold the 2x4 for you and trust that you won't smack their hands with the hammer!