V6 Ignition Timing

Ensure engine is at normal operating temperature. Turn ignition off. Disconnect IACV-AAC valve harness connector. Disconnect Throttle Position (TP) sensor.
Start engine. Increase engine speed to 2000 RPM, 2 or 3 times, then allow engine to return to idle. Check ignition timing. See V6 IGNITION TIMING table. See Fig 1 . If ignition timing is incorrect, loosen hold-down bolt and turn crankshaft position sensor.

V6 IGNITION TIMING (Degrees BTDC @ RPM)

Application

Man. Trans.

⁽¹⁾ Auto. Trans.

Non-Turbo

13-17 @ 650-750

13-17 @ 720-820

Turbo

13-17 @ 650-750

13-17 @ 700-800

⁽¹⁾	Automatic transmission/transaxle in Neutral.

Fig 1: Locating Ignition Timing Marks (300ZX)

Courtesy of NISSAN MOTOR CO., U.S.A.