Ignition Timing

Check or adjust ignition timing with engine at normal operating temperature, and transmission in Neutral. Disconnect and plug distributor vacuum hoses. Run engine at idle speed.

Fig 1: Subaru Timing Mark Location

NOTE: Ignition timing marks are visible through opening in flywheel cover on right side of engine.

IGNITION TIMING SPECIFICATIONS (DEGREES BTDC @ RPM)

Application

Man. Trans.

Auto. Trans.

1800 Turbo

N/A

15° @ 800

All Other Models

⁽¹⁾ 8° @ 700

⁽¹⁾ 8° @ 800

⁽¹⁾	High altitude is 12° BTDC.