Ignition Timing

IGNITION TIMING (Degrees BTDC @ Idle) ⁽¹⁾

Application

Base Timing

ECM Controlled Timing

4.3L V8

⁽²⁾ 8-12

⁽³⁾

⁽¹⁾	Check with engine at normal operating temperature, transaxle/transmission in Neutral, parking brake applied, and A/C and all accessories off.

⁽²⁾	With Jumper Wire (SST 09843-18020 or SST 09843-18040) installed between terminals CG and TC on data link connector No. 3.

⁽³⁾	Information not available from manufacturer.