Firewall stampings?
#1
Firewall stampings?
Can anyone tell me what the numbers and letters mean that are stamped on the firewall of my 71 442 conv? I have a Y with a square around stamped in blue and an A-4 stamped in yellow ink.
#3
I have several of these on my 72; I am thinking they are QA stamps that certain line workers stamped on the firewall when either their jobs were complete or inspections were complete and passing. Some are neat stamps, some are scribbles. Special (costly) crayons are sold for repro scribble applications.
Thread
Thread Starter
Forum
Replies
Last Post