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Ignition Timing

Timing At RPM
TDC +/- 2 at Cranking Degrees At RPM (deg @ rpm)
Reference only, not adjustable.
8 - 12 at Idle Degrees Before Top Dead Center At RPM (deg BTDC @ rpm)
25 - 29 at 3200 Degrees Before Top Dead Center At RPM (deg BTDC @ rpm)
Vacuum Line Disconnected
40 - 44 at 3200 Degrees Before Top Dead Center At RPM (deg BTDC @ rpm)
Vaccum Line Connected