FixVault

Ignition Timing

NOTE: Timing light should be connected to No. 1 spark plug wire using an adapter or clamp-on connector. Do not puncture spark plug wire or boot to make connection.
  1. Set parking brake and block wheels. Disconnect automatic parking brake. Turn all accessories off. Place transmission in Neutral. Connect timing light to engine. Disconnect single in-line spout connector near distributor.
  2. Start engine and warm to normal operating temperature. With engine at timing RPM, adjust timing. Turn engine off. Disconnect timing light and reconnect single in-line spout connector.
IGNITION TIMING SPECIFICATIONS

Application Degrees BTDC @ RPM
All Engines 10 @ 650