Did the PG Classic pad have the holes on the sides of the pad where they curve down to be able to screw into?
The pad that I pulled out of my 68 had what looked like a circular piece of metal embossed into the pad that a screw ran into on the left and right side of the dash.
I got a pad from Dash Pad Factory a few months back and just went to install it and noticed that there is no provision in their pad for these screws. I just had to screw them into the foam, which I'm sure isn't really doing anything. It could be a non issue or it could cause the pad to rattle once I get it back on the road.