Engine Code Number
Located on tag attached to right valve cover. LETTER contained in code number identifies cubic inch displacement.
| Code |
Displ. & Carb. |
Compr. Ratio |
Bore |
| H |
304" 2-Bbl. |
9.0:1 |
3.75" |
| N |
360" 2-Bbl. |
9.0:1 |
4.08" |
| P |
360" 4-Bbl. |
10.0:1 |
4.08" |
| X |
390" 4-Bbl. |
10.0:1 |
4.165" |