Checking/Adjusting With Timing Light

Ignition timing, checking/adjusting with timing light

Work sequence

- Run engine until engine oil is at least 30°C (86°F)
- Connect dwell/tach according to manufacturer's instructions
- Run engine at idle speed
Manual: 800 - 950 rpm
Automatic: 850 - 1000 rpm
- Pull off vacuum hose to distributor
- Check dwell angle, adjust if necessary
New points: 44 - 50°
Wear limit: 42 - 58°






- Flash ignition timing scale with timing light
Mark on pulley must align with red mark on scale

If NO, loosen distributor clamping bolt and turn distributor
- Reconnect vacuum hose to distributor
- Retighten clamping bolt