Ignition Timing: Adjustments

Data Link Connector:

1. Warm engine to operating temperature. Place A/T in "P" and M/T in neutral.
2. Turn all electrical loads "OFF."
3. Connect Rotunda Digital Tachometer/Multimeter (055-00101), or equivalent, to #1 plug wire.
4. Connect timing light.
5. Connect Data Link Connector terminals STI (TEN) and GND with jumper wire.
6. Verify correct idle speed. Adjust if needed:

IDLE SPEED: 650 ± 50 rpm

Timing Marks:

7. Check timing:

TIMING: 9° - 11° BTDC

8. If not correct, loosen hold-down bolts and turn distributor to adjust.

CAUTION: Do not pinch condenser wire when turning distributor.

9. Tighten hold-down bolts:

TORQUE: 14 - 18 ft lb (19 - 25 Nm)

10. Remove test equipment and jumper wire.