I have not seen here any mention of damping the headliner a little to help it to form better...............seems I remember someone posting to this effect some time ago but saying it definitely took two people. I am testing my memory here so don't yell at me.

1937 Chevy Pickup
In the Gallery
1952 Chevy Panel
In the Gallery
More photos
1950 Chevy Coupe
Pictures!

I'd rather walk and carry a Chevy hub cap than ride in a Ferd.
I can explain it to you, but I can't understand it for you smile