The build sheet was not always left in the car when it left the factory. If yours was, the best places to look are under the seats between the seat springs and seat padding, under the carpet, inside the doors, wrapped around the wires behind the dash, under the trunk mat, or inside the headliner. In my 69 GT, the remnants of a copy were wrapped around the dash wiring and a copy was tucked under the driver's side seat springs (which is where I found copies in two other Mustangs also).

If your car was manufactured in Dearborn (F) or Metuchen (T), you can contact Lois Eminger and possibly obtain a copy of the sales invoice for your car. You must send a copy of the registration and/or title, as proof of ownership, together with a rubbing of the data plate, if possible, and a check or money order for $40 to:

If your car was made in San Jose, you are probably out of luck. However, you could try contacting Marti Autoworks to see if they can get any information on your car. They have 3 different reports that can be purchased for some cars. To see a an example of a Marti Report, click here.

The jury is still out on this one. Not all Mustangs produced in 1969 had body buck tags, and none of the cars produced in San Jose in 69 had them. There are documented cases of Boss 302's having buck tags stamped "GT". One theory is that the stamping on the buck tag has more to do with the location and types of holes and cutouts required in the sheet metal or firewall of the car, which is only partially related to the type of car that was being produced. It is possible that, depending upon what options the car had, the cutouts required were the same as those required for the GT and so the buck tag was stamped "GT". Again, this is only a theory and has not been proven or disproven to date. It is also just as possible that the Boss 302's with the "GT" stamped buck tags actually started the production process as GT's and were pulled to be used as Bosses because of a customer order that needed to be filled. Most experts feel though that there is no way to absolutely determine if a car is a factory GT without the invoice or the build sheet. Keep in mind also that the dealers could build a GT car with parts available from Ford, but these cars are not classified as true GT's even though they may be identical to the cars produced as GT's from the factory. As a side note about buck tags, there is a possibility that a buck tag stamped "G7" may indicate the car is a GT. I have seen this mentioned in a couple of magazine articles and on a few web sites. If anyone out there has more information on the "G7" buck tag stamp, I would be interested in hearing about it.