THE ENGINE NUMBER is located on the left side of the cylinder block at the top. The starting serial numbers are as follows:
| SERIES | NUMBERS |
| 40 - Special | 4 |
| 50 - Super | 5 |
| 60 - Century | 6 |
| 70 - Roadmaster | 7 |
CODE |
CYL |
POWER |
RATIO |
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CODE |
CYL |
POWER |
RATIO |
|||
CODE |
CYL |
POWER |
RATIO |
|||
CODE |
CYL |
POWER |
RATIO |
|||