Mechanical Specifications
| Spark Control Computer | 4289813 | 4289913 | 4379228 |
| Vacuum Advance Range | --- | --- | --- |
| Accumulator Time In Minutes | --- | --- | --- |
| Spark Advance Test @ 2000 RPM Note: Includes basic timing. | 46 +/- 4 Degrees (deg) | 46 +/- 4 Degrees (deg) | 38 +/- 4 Degrees (deg) |
| Electronic EGR Time Delay | 40 Second (sec) | 40 Second (sec) | 40 Second (sec) |
| Oxygen Feedback Electronic Air Switching | Equipped | Equipped | Equipped |