
THE FIRST DIGIT: Identifies the division of General Motors. (3 = Oldsmobile)
THE SECOND DIGIT: Identifies the series.
| MODEL | CODE | |
|---|---|---|
| Cutlass Salon | G | |
| Cutlass Salon Brougham | J |
THE THIRD AND FOURTH DIGITS: Identfies the body type.
| TYPE | CODE | |
|---|---|---|
| 2-Door Coupe | 87 |
THE FIFTH DIGIT: Identfies the engine type.
| TYPE | CODE | |
|---|---|---|
| 260cid, 2-BC, 8 cyl. | F | |
| 305cid, 2-BC, 8 cyl. | U | |
| 305cid, 4-BC, 8 cyl. | H |
THE SIXTH DIGIT: Identfies the model year. (8 = 1978)
THE SEVENTH DIGIT: Identfies the assembly plant.
| ASSEMBY PLANT | CODE | |
|---|---|---|
| Doraville, GA. | D | |
| Framington, MA. | G | |
| Lansing, MI. | M | |
| Arlington, TX. | R | |
| St. Theresa, Quebec, Canada. | 2 |
THE LAST SIX DIGITS: Represent the basic production numbers. Starting number 100001 and up.