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 |
383 STD. | 1971 | .035 | 28-33 | .017 | TDC | 140 | ---- | ---- | ---- | 3 1/2-5 | 650 | ---- |
383 AUTO. | 1971 | .035 | 28-33 | .017 | 7 1/2B | 140 | ---- | ---- | ---- | 3 1/2-5 | ---- | 600N |