Along with the VIN number, the engine block is stamped with an engine production code. The code has a series of letters that identify the engine and a numeric production date code. The production code is stamped on the right front of the engine block.
SPECIAL, SPECIAL DELUXE & SKYLARKNO. |
CYL |
RATIO |
||||
MK ML MM MB MC |
6 8 8 8 8 |
225 300 300 340 340 |
NA 210 NA 260 NA |
7.6:1 9.0:1 7.6:1 10.25:1 7.6:1 |
2BC 2BC 2BC 4BC 2BC |
MAN/AUTO MAN/AUTO MAN/AUTO MAN/AUTO MAN/AUTO |
NO. |
CYL |
RATIO |
||||
MC MB |
8 8 |
340 340 |
NA 260 |
7.6:1 10.25:1 |
2BC 4BC |
MAN/AUTO MAN/AUTO |
NO. |
CYL |
RATIO |
||||
NO. |
CYL |
RATIO |
||||
MV MW MZ |
8 8 8 |
401 425 425 |
NA 340 360 |
8.75:1 10.25:1 10.25:1 |
4BC 4BC 2X4BC |
MAN/AUTO MAN/AUTO MAN/AUTO |
NO. |
CYL |
RATIO |
||||
MV MW |
8 8 |
401 425 |
NA 340 |
8.75:1 10.25:1 |
4BC 4BC |
AUTO AUTO |
NO. |
CYL |
RATIO |
||||
MV MW MZ |
8 8 8 |
401 425 425 |
NA 340 360 |
8.75:1 10.25:1 10.25:1 |
4BC 4BC 2X4BC |
MAN/AUTO MAN/AUTO MAN/AUTO |