Code Information
1st digit:
GM line number: Pontiac = 2
2nd digit:
Series number: Firebird = 2
3rd digit:
Model/Engine number:
3 = All 1967-69 models
3 = Standard model (1970-71)
4 = Esprit V8 (1970-71)
6 = Formula V8 (1970-71)
8 = Trans Am V8 (1970-71)
4th and 5th digit:
Body Type number:
37 = Sport Coupe (1967-69)
67 = Convertible (1967-69)
87 = Sport Coupe (all)(1970-71)
6th digit:
Last digit of model year:
7 = 1967
8 = 1968
9 = 1969
0 = 1970
1 = 1971
7th digit:
Letter indicating assembly plant:
L = Van Nuys, California
N = Norwood, Ohio
U = Lordstown, Ohio
8th through 12th digit:
Sequential production number starting with 600001 for L6 models and 100001 for V8 models.

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