|  | Maximum Vacuum Advance  | 
| Vacuum Advance - Vacuum To Start Plunger  | 8 in Hg  | 12 @ 12.5 Degrees At Inches Mercury (deg @ in hg) | 
 | 7 in Hg  | 8 @ 11.5 Degrees At Inches Mercury (deg @ in hg) | 
 | 7 in Hg  | 8 @ 15 Degrees At Inches Mercury (deg @ in hg) | 
 | 7 in Hg  | 12 @ 15 Degrees At Inches Mercury (deg @ in hg) | 
 | 7 in Hg  | 12 @ 15 Degrees At Inches Mercury (deg @ in hg) | 
 | 10 in Hg  | 9.5 @ 15 Degrees At Inches Mercury (deg @ in hg) | 
 | 7 in Hg  | 12 @ 15 Degrees At Inches Mercury (deg @ in hg) | 
 | 6 in Hg  | 12 @ 13 Degrees At Inches Mercury (deg @ in hg) | 
 | 7 in Hg  | 12 @ 15 Degrees At Inches Mercury (deg @ in hg) | 
 | 6 in Hg  | 12 @ 13 Degrees At Inches Mercury (deg @ in hg) | 
 | 6 in Hg  | 12 @ 13 Degrees At Inches Mercury (deg @ in hg) | 
 | 7 in Hg  | 12 @ 15 Degrees At Inches Mercury (deg @ in hg) | 
 | 7 in Hg  | 8 @ 15 Degrees At Inches Mercury (deg @ in hg) | 
 | 9 in Hg  | 9.5 @ 1500 Degrees At Inches Mercury (deg @ in hg) | 
 | 7 in Hg  | 9.5 @ 15 Degrees At Inches Mercury (deg @ in hg) |