Idle Speed
| <California Without Solenoid> | SLOW | Man. Trans. | 700 |
| Auto. Trans. | 725 Note: Neutral | ||
| FAST | Man. Trans. | 1600 | |
| Auto. Trans. | 1600 Note: Park or Neutral | ||
| Step of Cam | 2nd High | ||
| <California With Solenoid> | SLOW | Man. Trans. | 850 |
| Auto. Trans. | 850 Note: Neutral | ||
| <Canada> | SLOW | Man. Trans. | 725 |
| Auto. Trans. | 750 Note: Neutral | ||
| FAST | Man. Trans. | 1800 | |
| Auto. Trans. | 1600 Note: Park or Neutral | ||
| Step of Cam | 2nd High | ||
| <Heavy Duty> Note: Light-duty cycle: 1981-83 models, GVW of 8500 lb or less. Medium-duty cycle: GVW of 6001 to 8500 Ib. Heavy-duty cycle: 1981-87 models with a GVW of 8501 lb or over. | SLOW | Man. Trans. | 700 |
| FAST | Man. Trans. | 1700 | |
| Step of Cam | 2nd High | ||
| <Federal Without Solenoid> | SLOW | Man. Trans. | 700 |
| Auto. Trans. | 725 Note: Neutral | ||
| FAST | Man. Trans. | 1600 | |
| Auto. Trans. | 1600 Note: Park Or Neutral | ||
| Step of Cam High | 2nd High | ||
| <Federal With Solenoid> | SLOW | Man. Trans. | 800 |
| Auto. Trans. | 800 Note: Neutral |