 |
Note: The underhood specifications sticker often reflects tune up specifications changes made in production. Sticker figures must be used if they disagree with those in this chart. |
| Cubic Inch | Year | Spark Plug Gap | Point Dwell | Point Gap | Timing | Crank Comp-Press. | Valve Intake | Valve Exhaust | Gov. RPM No Load | Fuel Press. | Idle Speed STD. | Idle Speed Auto | |
| 478 | 1971-73 | .035 | 28-32 | .016 | 10B | 140 | ---- | ---- | 3400 | 4-4 3/4 | 500 | 500N |
