| | D4R82-12 | D4R82-24 | D4N83-16 | D4N84-04 | D4N84-06 |
| Centrifugal Advance | Advance Starts | 0 at 700 Degrees At RPM (deg @ rpm) | 0 at 700 Degrees At RPM (deg @ rpm) | 0 at 600 Degrees At RPM (deg @ rpm) | 0 at 500 Degrees At RPM (deg @ rpm) | 0 at 650 Degrees At RPM (deg @ rpm) |
| Intermediate Advance | 5 at 1300 Degrees At RPM (deg @ rpm) | 5 at 1300 Degrees At RPM (deg @ rpm) | --- | 4 at 1200 Degrees At RPM (deg @ rpm) | 5 at 1200 Degrees At RPM (deg @ rpm) |
| Full Advance | 13 at 2200 Degrees At RPM (deg @ rpm) | 13 at 2600 Degrees At RPM (deg @ rpm) | 10.5 at 1900 Degrees At RPM (deg @ rpm) | 6 at 2200 Degrees At RPM (deg @ rpm) | 9.5 at 2400 Degrees At RPM (deg @ rpm) |
| Vacuum Advance | Vacuum to Start Plunger | 9.3 Inch Of Mercury (in Hg) | 9.3 Inch Of Mercury (in Hg) | 2.76 Inch Of Mercury (in Hg) | 9.3 Inch Of Mercury (in Hg) | 2.76 Inch Of Mercury (in Hg) |
| Max. Advance | 10 at 8.27 Degrees At Inches Mercury (deg @ in hg) | 5.5 at 5.91 Degrees At Inches Mercury (deg @ in hg) | 12.5 at 11.81 Degrees At Inches Mercury (deg @ in hg) | 15 at 11.02 Degrees At Inches Mercury (deg @ in hg) | 5 at 6.69 Degrees At Inches Mercury (deg @ in hg) |
| | D4N84-17 | D4N84-18 | D4N84-19 | D4N85-01 | D4N85-02 |
| Centrifugal Advance | Advance Starts | 0 at 600 Degrees At RPM (deg @ rpm) | 0 at 600 Degrees At RPM (deg @ rpm) | 0 at 600 Degrees At RPM (deg @ rpm) | 0 at 650 Degrees At RPM (deg @ rpm) | 0 at 650 Degrees At RPM (deg @ rpm) |
| Intermediate Advance | --- | --- | --- | 7 at 1345 Degrees At RPM (deg @ rpm) | 7 at 1345 Degrees At RPM (deg @ rpm) |
| Full Advance | 10.5 at 1900 Degrees At RPM (deg @ rpm) | 10.5 at 1900 Degrees At RPM (deg @ rpm) | 10.5 at 1900 Degrees At RPM (deg @ rpm) | 9.5 at 2100 Degrees At RPM (deg @ rpm) | 9.5 at 2100 Degrees At RPM (deg @ rpm) |
| Vacuum Advance | Vacuum to Start Plunger | 2.76 Inch Of Mercury (in Hg) | 3.94 Inch Of Mercury (in Hg) | 2.76 Inch Of Mercury (in Hg) | 3.15 Inch Of Mercury (in Hg) | 3.15 Inch Of Mercury (in Hg) |
| Max. Advance | 9.5 at 9.06 Degrees At Inches Mercury (deg @ in hg) | 9.5 at 9.06 Degrees At Inches Mercury (deg @ in hg) | 9.5 at 9.06 Degrees At Inches Mercury (deg @ in hg) | 10 at 9.84 Degrees At Inches Mercury (deg @ in hg) | 7.5 at 7.87 Degrees At Inches Mercury (deg @ in hg) |