RPO Codes: This area in the middle of the cowl tag was usually reserved for misc RPO codes such as the "A51" for bucket seats, "A31" for power windows, "WS4" for Trans Am, or the infamous "Y82" or "Y84" codes for Special Edition Trans Ams. Interior Trim Code: This was the area for the interior trim colors It was a code that consisted of two numbers which designated the color and one letter which desginated the type of interior such as "Standard" or "Deluxe". meaning that this production number was relative to the cars rolling off the Fisher Body Plant's line which included more than just the Firebird/Trans Am car line. Also, the production number is not relative to the car. These were two totally different plants between GM and Fisher, so these numbers don't match and are not supposed to match. No, this does not match the Pontiac Production number located at the end of your VIN number. Production Plant: This was the area for which Factory was producting the car such as "N" for Norwood, Ohio or "L" for Van Nuys California.įisher Body Production Number: This was the actual production number of the body when it rolled off the line at the Fisher Body Plant. Pontiac and GM were rolling these cars off the assembly line pretty fast, so they mostly left the Fisher Body Plant as Firebird bodies and were made into Trans Ams at the GM Plant. Not to worry about this when you are decoding your cowl tag. When you get up into the later years around 1976 and later, the VIN number stated a "2W87" for Trans Am, but the cowl usually read "2FS87" for Firebird. Meaning, if the VIN number stated a "2287" for Trans Am, then the cowl tag usually followed suit with a "228" on the cowl tag. In the early years from 1967 to about 1973 or 1974, they were pretty consistent with following the VIN number. As you will see on the break downs on the years, this information did not always match what the VIN number stated. So, for 1978, they started to build the cars in September of 1977 and ran through August of 1978.Ĭar Model Line: This designated what car model was rolling off the Fisher Body Plant assembly line. Production runs started in September and ran through August the following year. Model Year: This was the model year for the car. To help decode your specific year, please go to this page and select your year: Year By Year There is sometimes an "ST", "BDY", "TR", and a "PNT" which stand for "Style", "Body", "Trim", and "Paint" respectively. ![]() On some of the cowl tags there are extra codes in the 4 corners. The cowl tags also did vary from year to year in the placement of some of these codes, but with this overview, you should be able to decode the numbers. See left for an example of a cowl tag from 1978 and the various areas of the tag itself. This page will help you decode your cowl tag and make sense of how your car was originally optioned. ![]() To help decode your specific year, please go to this page and select your year: Year By YearĪll the cowl tags vary from year to year and from plant to plant, so if you do not see your information exactly, don't be alarmed. And the seventh through thirteenth digits is the cars production number. The fifth digit is the engine code (Pontiac 400, Olds 403, etc.) The sixth digit is the Assembly Plant (Norwood, OH, Van Nuys, CA, etc.). The third and fourth digits signify the Body Type (coupe, convertible, etc.). The second digit is the Series (Firebird, Esprit, Formula, Trans Am). The first digit is the GM Division that produced the car (which in this website's case, it is all "2" for Pontiac). As you can see in the photo above, the VIN numbers are usually broken down in a 13 digit/letter combination which identify the series, model, year, engine, assembly plant, and production number. It is also stamped on the Firewall of the vehicle behind the blower motor and on the engine and transmission of the car. This can be found stamped on a plate attached to the driver's side dash panel clearly visible through the windshield. ![]() The VIN numbers break down in different ways depending on your model year so check the links below for the break down of each of the years.
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