Ignition Timing

Connect timing light and tachometer. Disconnect and plug vacuum hose at distributor. Use idle air adjusting screw to set idle speed to specified timing RPM. Rotate distributor to set timing, then reconnect vacuum hose and reset idle.

Fig 1: Timing Mark Location

Courtesy of VOLVO CARS CORPORATION

Ignition Timing Specifications

Application

RPM

Timing

All

700-800

⁽¹⁾ 8°BTDC

⁽¹⁾	With distributor vacuum hose disconnected and plugged.