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Home >> Volvo >> 1989 >> 780 Turbo, AW71L >> Repair and Diagnosis >> Engine Performance >> System >> Basic Diagnostic Procedures >> 4-CYL Timing Specifications
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4-CYL Timing Specifications

Ignition timing is computer controlled and is not adjustable.

4-CYLINDER IGNITION TIMING (Degrees BTDC @ RPM)

Application Timing
Except 740 GLE 12 @ 757
740 GLE 15 @ 850
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