Operation CHARM: Car repair manuals for everyone.

Ignition Timing: Adjustments

1. Connect a timing light to the engine.
2. Start the engine and run it at idle. Idle should be no more than 650 rpm, adjust as necessary.






3. Slowly turn the distributor until the timing ball and the pointer, when illuminated by the timing light, line up which indicates 7° BTDC.






4. Tighten the distributor lockdown bolt and ensure that timing is still within spec.