Manuals through 2025 now available!
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LEMON is the spiritual successor to CHARM, I recommend you try it!
Link:
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lemon-manuals.org.ua
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Vacuum Advance Control Solenoid: Description and Operation
A solenoid vacuum valve is fitted under the rear of the right intake manifold. It is operated by a
timer relay and vents
distributor vacuum to atmosphere for 45 seconds after each engine start. This eliminates
ignition timing advance until relay opens.