Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

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Electrical Specifications

Centrifugal Advance Advance Starts 0 at 550 Degrees At RPM (deg @ rpm)
Intermediate Advance 3.9 at 1150 Degrees At RPM (deg @ rpm)
Intermediate Advance 11.8 at 2550 Degrees At RPM (deg @ rpm)
Full Advance 13.1 at 3300 Degrees At RPM (deg @ rpm)
Vacuum advance Main Diaphragm Inches of Vacuum to Start Plunger 4.72 Inch Of Mercury (in Hg)
Maximum Advance 15 at 18.9 Degrees At Inches Mercury (deg @ in hg)
Note: Main plus sub-diaphragm.
Sub. Diaphragm Inches of Vacuum to Start Plunger 9.06 Inch Of Mercury (in Hg)
Maximum Advance 5 at 16.14 Degrees At Inches Mercury (deg @ in hg)