Ignition Timing: Adjustments

Adjusting Ignition Timing

1. Run engine warm (oil temperature about 90°C).

2. Connect engine tester.




3. Pull off vacuum hose.




4. Connect ignition stroboscope lamp.
25° mark on pulley should be opposite notch on fan housing at 4000 rpm.
Loosen and turn distributor to correct ignition timing.

5. Connect vacuum hose.