The paint codes are on the data plate located on the upper left firewall and there should be two Paint codes, one for upper and one for lower body colors. If your car was originally one solid color both letters would be the same, if your car was originally two colors there would be two different letters. (My GTO is Barrier Blue so the Paint code is P-P). The letters for paint colors are, A-Missioby ourblue66goat - Pontiac GTO Forum
Can anyone tell me why numbers would be stamped on the inside of the drivers side door post on my 1966 GTO? I am reconditioning my 66 goat and was checking the condition on the area inside the left speaker hole and found seven verticle numbers. I know the area I saw is behind the VIN plate because I saw the back of the rivets and the numbers are stamped to the right on the outside wall. I was tolby ourblue66goat - Pontiac GTO Forum
I am restoring my 66 goat and I would think taping off the chrome and using black spray paint would be very time consuming but should take care of your problem. Would you happen to know what the hidden number inside the drivers side door post is? I was looking inside the left speaker hole to check the condition, rust etc, and I found seven verticle numbers stamped on the outside wall (There wereby ourblue66goat - Pontiac GTO Forum