2 2 3 3 7 7 N 1 0 0 0 0 1
|-| |---| | | | +-------+---> Production Sequence
 |    |   | | |-------------> Year/Engine Type
 |    |   | |                   Chevrolet:
 |    |   | |                     1 = 1967, all engines
 |    |   | |                     3 = 1968, all engines
 |    |   | |                     5 = 1969, all engines
 |    |   | |                   Pontiac:
 |    |   | |                     1 = 8 cylinder, all years
 |    |   | |                     6 = 6 cylinder, all years
 |    |   | +---------------> Assembly Plant
 |    |   |                       U = Lordstown
 |    |   |                       N = Norwood
 |    |   |                       L = Van Nuys
 |    |   +-----------------> Model Year
 |    |                           7 = 1967
 |    |                           8 = 1968
 |    |                           9 = 1969
 |    +---------------------> Model Number
 |                              Chevrolet:
 |                                337 = Coupe, 6 cylinder
 |                                367 = Convertible, 6 cylinder
 |                                437 = Coupe, 8 cylinder
 |                                467 = Convertible, 8 cylinder
 |                              Pontiac:
 |                                337 = Coupe, all engines
 |                                367 = Convertible, all engines
 +--------------------------> Carline Series
                                  12 = Chevrolet Camaro
                                  22 = Pontiac Firebird