1975-77 Models
Ignition timing is checked or adjusted with engine at normal operating temperature, transmission in Neutral, distributor vacuum hose disconnected and plugged, and engine at idle (at 1100 RPM on 403" and 455" engines).
Ignition timing is checked or adjusted with engine at normal operating temperature, transmission in Neutral, distributor vacuum hose disconnected and plugged, and engine at idle (at 1100 RPM on 403" and 455" engines).