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Distributor, Ignition

Vacuum Advance
Note: On models not equipped with centrifugal advance mechanism, ignition timing controlled by ignition control module.
Vacuum Advance No.
Note: Identification number stamped on distributor housing.
C34 D59 D62 D64 D73 J10 RE-021B RE-028
Vacuum to Start Plunger 3.1 Inch Of Mercury (in Hg)4 Inch Of Mercury (in Hg)4.13 Inch Of Mercury (in Hg)0.94 Inch Of Mercury (in Hg)1.1 Inch Of Mercury (in Hg)2.95 Inch Of Mercury (in Hg)1.5 Inch Of Mercury (in Hg)1.5 Inch Of Mercury (in Hg)
Max. Advance @ Vacuum 5.5 at 13.31 Degrees At Inches Mercury (deg @ in hg)7 at 14 Degrees At Inches Mercury (deg @ in hg)--- 9.2 at 1.38 Degrees At Inches Mercury (deg @ in hg)9 at 2.17 Degrees At Inches Mercury (deg @ in hg)10 at 9.45 Degrees At Inches Mercury (deg @ in hg)10 at 11.5 Degrees At Inches Mercury (deg @ in hg)10 at 11 Degrees At Inches Mercury (deg @ in hg)
Max. Retard @ Vacuum --- --- 7 at 9.84 Degrees At Inches Mercury (deg @ in hg)--- --- --- --- ---