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Ignition Timing

NOTE: Timing instrument should be connected to number one spark plug wire using a suitable adapter or snap-on connector. Do not puncture spark plug wire or boot to make connection.
  1. Connect tachometer and timing light, then warm engine to normal operating temperature. Disconnect and plug vacuum hose at distributor advance unit. Place transmission selector in "D" on 2.3L engines only.
  2. With engine idling at specified RPM, check timing. If within ±2° of specified timing, do not reset. If not, loosen distributor and adjust timing.
  3. On all models, remove test equipment. Reconnect vacuum line at distributor.
Ignition Timing Specifications (Degrees BTDC@RPM)

Application Man. Trans. Auto. Trans.
1.6L (1)10@800 10@800
2.3L 6@700 6@700
(1) On Calibration No. 1-3N-R0, set to 6@800.