here's a link to a black gb door discussion
http://67-72chevytrucks.com/vboard/s...d.php?t=520850
The one in the above instance was a St Louis built truck.
Here's one that was for sale on the site here quite a while ago (dude posted 1 or 2 times just to sell, never called me back, (I was gonna buy this truck, but he disappeared....
)) - black gb door and it's a Flint built truck.
http://67-72chevytrucks.com/vboard/c...e-super&cat=12
Here are the SPIDS in order -